12:00 PM - RRB NTPC 2019 | GS by Shipra Ma'am | Chemical Reactions & Equations

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  • Опубликовано: 26 окт 2024

Комментарии • 497

  • @wifistudybyUnacademy
    @wifistudybyUnacademy  5 лет назад +56

    guys ..there is some confusion in physical and chemical reactions from my side ...lets revise that again tomorrow...till then correct pdf has been uploaded ...plz look at them

    • @chandrashekharverma8470
      @chandrashekharverma8470 5 лет назад +2

      yes mam, in the beginning, you have spoken that melting of ice is a chemical change, but it is a physical change....koi bat nhi hota h kavi kavi....but i like your classes of ntpc and also your such a dedication for us. thanks SIPRA mam, thanks WI FI study..and also thanks JIO

    • @swapnilbhele2996
      @swapnilbhele2996 5 лет назад

      Mam 50 important fact of periodic table ki PDF upload nhi hai Wi Fi study app pe

    • @juhijain6056
      @juhijain6056 5 лет назад +1

      It's okk Mam we will manage ..

    • @sikhwalstudy6234
      @sikhwalstudy6234 5 лет назад

      Melting of ice is physical change

    • @alakhniranjan6602
      @alakhniranjan6602 5 лет назад

      okk mam

  • @SURAJSINGH-of6iz
    @SURAJSINGH-of6iz 5 лет назад +76

    Mam melting of ice is not a chemical reaction;it is a physical reaction.🙏

  • @amit2671
    @amit2671 5 лет назад +15

    melting of ice and vaporization of water is not a chemical reaction.

  • @amitat369
    @amitat369 5 лет назад +7

    Thanks mam for ur hardwork & knowledge taken for us👏👏👏👏

  • @radhashyamsahoo1919
    @radhashyamsahoo1919 5 лет назад +11

    Melting of ice is physical Change

  • @poras1513
    @poras1513 5 лет назад +2

    mam ne napora banaya hai
    melting of ice and
    vapourisation of water
    is a not a chemical change its physical change.....!!!

  • @harpalbishnoi4318
    @harpalbishnoi4318 4 года назад

    Chemical reaction me dobara waps aa b skta hai....
    Hydrogen jlne pr water bnta h and heat nikalti hai.
    Electrolysis se dobara hydrogen and oxygen ko alg kr skte hai.
    Same in gypsum to plaster formation and vice versa but it is chemical process

  • @sarbjitkaur9412
    @sarbjitkaur9412 5 лет назад

    Nice video mam bout ache se samhjya aapne thnku

  • @rakeshroutray7322
    @rakeshroutray7322 5 лет назад

    In burning of candle as well the burning of thread isn't the only chemical change as well the wax that melts down in form of liquid and it is used as fuel as of petrol and that liquid burns and that is the chemical change in burning of candle

  • @jitendergupta4776
    @jitendergupta4776 5 лет назад +3

    U r explain vry well. Half hour class is best than 1 hour class.. I like half hour class instead of 1 hour class

  • @A2Zstudy007
    @A2Zstudy007 5 лет назад +51

    Mam had kr di aap ne
    Itni basic bat glt pda di
    Melting of ice
    Vaporisation of water
    Etc physical change h

    • @manas8730
      @manas8730 5 лет назад +3

      Isko chemistry bari me kuchh bhi patanhihe book se ratta marke aatihe padhana suru kardetihe

    • @preetiyadav2153
      @preetiyadav2153 5 лет назад

      Tuje to chemistry ki spelling bi nhi ati or teacher ko galat bol rhe ho

    • @harpalbishnoi4318
      @harpalbishnoi4318 4 года назад

      @@preetiyadav2153 usko spelling aaye ya na aye ye uska personal issue hai. Mam se related issue chemistry ka hai.
      And agar usko spelling aati to ho skta hai wo railway ki tyari na kr rha hota. Railway me english nhi puchhte.
      Sorry agar bura lga but reality yhi hai.
      Kisi b professional ko uske profession me maximum possible error free hona chahiye. Mam ka profession hi teaching hai.

    • @kingofcobra3710
      @kingofcobra3710 4 года назад

      @@harpalbishnoi4318 hi

    • @dharmeshmohanty1679
      @dharmeshmohanty1679 4 года назад

      @@harpalbishnoi4318 agar spelling ataa toh kya railway clear ho jata 🤔🤔🤔😎😎😎

  • @vikeshjat9510
    @vikeshjat9510 5 лет назад

    मैम आपने बोला कि किसी रासायनिक अभिक्रिया में जो पदार्थ बन गया उसे वापस शुरू की हालत में नही ला सकते, तो शुरू में चीनी का पानी मे घुलना रासायनिक अभिक्रिया कैसे हुई?? ये रासायनिक और भौतिक परिवर्तन है जिनको आपने अभिक्रिया नाम से बदल कर पूरा मामला उलझा दिया!!

  • @snjvthakur24
    @snjvthakur24 5 лет назад

    Fission process Mai ghtta bdhta hai change in mass hota hai Usme or vo change on mass energy Mai convert hota hai

  • @rai__Sahab44
    @rai__Sahab44 5 лет назад

    Mam aaap bhut acha pdhati.....hin..

  • @m.l.tik-tokhake3579
    @m.l.tik-tokhake3579 3 года назад +1

    Thanks ma'am

  • @ankitkumarlal7558
    @ankitkumarlal7558 5 лет назад

    Hulka gurbur per koi mam.... Kynki man sub janti h.... Thank you mam

  • @rudragudadari8559
    @rudragudadari8559 5 лет назад +2

    Mam, you are really nice teacher

  • @VedPrakash-ik9ee
    @VedPrakash-ik9ee 5 лет назад

    bhaut acha read karya apne

  • @chandraprakash-gj7si
    @chandraprakash-gj7si 5 лет назад +1

    melting of ice ,water to ice conversion to ho sakta hai .phir chemical reaction kaise ho sakta hai

  • @sujeetshankar
    @sujeetshankar 5 лет назад

    1) Melting of Ice
    2) Vapourisation of Water
    3) Dissolution of Sugar in Water
    The above all are examples of Physical changes not the Chemical change or Chemical Reaction. Kindly correct me if I am wrong but I am 101% sure that I am right.

    • @99shipra
      @99shipra 5 лет назад

      bindass Bilkul Thk h bola apne .. I never said chemical reaction h Ye sb reactions h Ye bola

    • @99shipra
      @99shipra 5 лет назад

      bindass Kl clear krte h isko

    • @sujeetshankar
      @sujeetshankar 5 лет назад

      @@99shipra Sure we will discuss it tomorrow. Even in the ppt it is mentioned under Examples of chemical reactions.

    • @99shipra
      @99shipra 5 лет назад

      bindass that is corrected in pdf already ..class mei slide gadbad hua isiliye gadbad hua

  • @ravinder4772
    @ravinder4772 4 года назад

    Thank You Very Much Di.........🇮🇳🇮🇳🇮🇳🇮🇳🇮🇳

  • @rohitdadheech3579
    @rohitdadheech3579 5 лет назад +9

    Mam 1 to 118 eliments ka video aapne kahan upload kiya hai saturday ko...?
    Please bataiye...
    Link dijiye...mil hi nahi raha hai video vahan par..
    Please mam

  • @PraveenKumar-pk9fm
    @PraveenKumar-pk9fm 3 года назад

    Mam mujhe sience bilkul samjh nahi aati lekin aaj aapki classes dekhi to bahut samjh aaya thanks

    • @sabyasachi.333
      @sabyasachi.333 Год назад

      I know it's an old comment but I wanted to know if you have all the chemistry PDFs of ntpc.
      I had them all but recently got my laptop crashed and lost all the data. If you have it. Please reply. My cgl tier 2 is march 2🙏

  • @namrataanushashiyadav238
    @namrataanushashiyadav238 5 лет назад +2

    Please explain boiling of water,melting of ice. NCERT says they are physical reactions

    • @sonukunwar98
      @sonukunwar98 5 лет назад

      *Ha thik to ha..*
      *physically reaction* *hoga..🤔🤔🤔*

    • @rishitiwala328
      @rishitiwala328 5 лет назад +1

      Yes
      They are physical rxn
      And tearing of paper is also a physical rxn

    • @railwayexameupdate9219
      @railwayexameupdate9219 5 лет назад +1

      @@rishitiwala328 U
      Aq

  • @ravindrakumar-ho7np
    @ravindrakumar-ho7np 4 года назад

    Lohe m lgi jung ko file dwara hota diya jata fitter workshop m

  • @mrshubhamgavel4489
    @mrshubhamgavel4489 5 лет назад +1

    Tq u mam
    Basic pura clear kar diya.🙏

  • @lavkumar2610
    @lavkumar2610 5 лет назад

    Thanks mam Ji
    Very nice video

  • @jeetugupta1865
    @jeetugupta1865 5 лет назад +1

    Mam water se Hydrogen kko alag nahi kiya ja sakta aisa mere knowwledge me h q ki hydrogen ki jo energy produce hogi use we can't handel it plz explain this fact one time

  • @suraj_vloger36
    @suraj_vloger36 5 лет назад +4

    चीनी का पानी में घुलना , रासायनिक क्रिया है बताया था आपने।
    लेकिन quiz में भौतिक क्रिया दिखा रहा है।
    और
    पिघलने की क्रिया को संलयन कहते है क्या ,
    ये सही है क्या।

  • @_Damohwale
    @_Damohwale 4 года назад

    bhut bdiaa mam aap bhut achha pdate ho

  • @mannesh
    @mannesh 5 лет назад +4

    Superb class as always mam

  • @harshkasaudhan3835
    @harshkasaudhan3835 4 года назад

    Mam your learning style amazing

  • @sanghamitradas7781
    @sanghamitradas7781 4 года назад

    Mam melting of ice and vaporization of water is nt chemical change

  • @khushijha9732
    @khushijha9732 5 лет назад

    Melting of ice ko agar ice pighal jaye to usse fr ice to bna skte Hain pr mam aapne Bola ki jise dubara usi form m ni laya j skta but ice ko to laya j skta h

    • @99shipra
      @99shipra 5 лет назад

      khushi jha yes they are physical reactions .. will clear it tomorrow

  • @jaymahakal...harharmahadev506
    @jaymahakal...harharmahadev506 5 лет назад

    Ma'am your teaching way is best

  • @Allin-jg4tg
    @Allin-jg4tg 5 лет назад

    Bhut acha padhti ho mam ji

  • @everythingishere5339
    @everythingishere5339 5 лет назад +1

    Ma'am jaise 60 question aapne karwayein chemistry me.... rrb je ke biology ke liye bhi questions karwao na. Plzz

  • @divyaagrawal9546
    @divyaagrawal9546 5 лет назад +10

    Melting of ice is physical changes not chemical change
    Plz....

  • @k.d.barman1179
    @k.d.barman1179 4 года назад

    धन्यवाद मैडम जी

  • @PawanKumar-sr1lc
    @PawanKumar-sr1lc 5 лет назад

    Melting of ice and vaporisation of water is not a chemical reaction,it is a physical reaction.agr aap acha se parhi hoti to ye basic mistake nhi karti.

  • @ruksarnaaz3771
    @ruksarnaaz3771 5 лет назад +1

    Man pdf me 1=melting of ice
    2=vaporization of water
    3= pani me suger ka ghulna.......ye sb aapne chemical btay......but quizz me ye option glt show ho rhe he

  • @minakshikaushik4688
    @minakshikaushik4688 5 лет назад +1

    Mam...as you say that in chemical reactions hum product ko reobtain nhii kr skte...then how's... melting of ice is considered in chemical reactions.
    .?...bcj ice se to water bnaa skte h na to wo to physical reaction huaa.
    .plj clear my confusion..

  • @insaneme22
    @insaneme22 5 лет назад +6

    Mam ek doubt h apne bola tha physical reaction vo h jo dubara use kiya jaa ske toh ye pdf m
    Souring of milk and burning of coke kaise hoga ye toh chemical reaction m aayega na plzz clear it mam

    • @supriya3143
      @supriya3143 5 лет назад +1

      Souring of milk is chemical change

  • @amkhdhsusjsnsnn
    @amkhdhsusjsnsnn 5 лет назад

    barf pighalne k bad pani ko barf me change kar sakte hai so barf pighalna chemical reaction nhi hai

  • @Rajasthani_suitcollections
    @Rajasthani_suitcollections 5 лет назад

    Line of the day...mujhe mera CO2 wapis chahiye.....nyc mam....

  • @prabhatkumarmehta9779
    @prabhatkumarmehta9779 5 лет назад +1

    Aap bataye hi kisi chemical reaction hi sahi se batye kon perebatan hi plzz mamm

  • @rinkygour4215
    @rinkygour4215 5 лет назад

    Thankyou mem

  • @vijaynarayansahu2063
    @vijaynarayansahu2063 5 лет назад

    Melting of ice physical reaction ??? Ki ki paani se ice ban sakti h

  • @rajeevyadav5809
    @rajeevyadav5809 5 лет назад

    Mam aap etna achha expression se padha ri h muh me pani aa ja ra h bhukh lag ja ri h 😃😃😃

  • @PritamKumar-xw4rr
    @PritamKumar-xw4rr 5 лет назад

    Ok maam

  • @mohitsagar1000
    @mohitsagar1000 2 года назад

    Thanks 🙏

  • @AnkitSingh-vy7ym
    @AnkitSingh-vy7ym 5 лет назад

    Thanks man

  • @meghathakur2467
    @meghathakur2467 5 лет назад

    Tearing of paper is physical reaction.... Koi product thode bn rhha h paper ka paper hi rahega....big confusion

  • @poonamthakur-jp1sm
    @poonamthakur-jp1sm 5 лет назад +1

    Melting of ice is a physical reaction...plzz correct this mam

  • @Manikantkumar-uw9xu
    @Manikantkumar-uw9xu 3 года назад

    Thanks ma'am 🙏🙏🙏🙏

  • @alakhniranjan6602
    @alakhniranjan6602 5 лет назад +1

    mam sabji chemical reaction nhi h . sbji aur sb chijon ka mixture h.

  • @shanimaurya873
    @shanimaurya873 5 лет назад +1

    Mam ap kitni jada cute h ☺️☺️☺️
    Ap bht acha pdati h mam

  • @giricreations3147
    @giricreations3147 5 лет назад

    थैंक्यू mam

  • @ajayshakya2869
    @ajayshakya2869 5 лет назад

    Cutting of paper cutting of wood is physical change

  • @rlsmotivation4940
    @rlsmotivation4940 5 лет назад +2

    Wow...fantastic Class♥️♥️♥️♥️♥️♥️♥️

  • @---yadav4874
    @---yadav4874 4 года назад

    TQq soo much mam 🙏

  • @niteshsinghrathaur3482
    @niteshsinghrathaur3482 5 лет назад

    thank u

  • @Rishipal-gj3gd
    @Rishipal-gj3gd 5 лет назад

    Thanks mam very nice

  • @jayarampradhan7002
    @jayarampradhan7002 3 года назад

    thank u mam

  • @abhinavgurjar5981
    @abhinavgurjar5981 5 лет назад

    Thanks

  • @karanchouhan3267
    @karanchouhan3267 5 лет назад +1

    Melting of ice
    And
    Vaporisation of water
    Both are physical reaction or not .?
    Please reply .....ma ' am

  • @basantmehta348
    @basantmehta348 5 лет назад +5

    Chemical reaction me example number one two and three are wrong Ye tino physical reaction hai

    • @99shipra
      @99shipra 5 лет назад

      BASANT MEHTA yes let’s correct this tomorrow

    • @basantmehta348
      @basantmehta348 5 лет назад

      Thanks mam

  • @sasmitanayak1686
    @sasmitanayak1686 5 лет назад

    Dissolution of sugar in water is not a chemical reaction

  • @Julisarab
    @Julisarab 5 лет назад +2

    Thanks mam, nice class

  • @saranjitsingh914
    @saranjitsingh914 5 лет назад

    Mam barf का पिघलना और जल का वासपन या चीनी का पानी मे घुलना ये सभी तो भौतिक प्रतिक्रिया है ना कि रासायनिक प्रतिक्रियाएं

  • @manibhushankumar1555
    @manibhushankumar1555 5 лет назад

    Melting of ice,Vaporization of water is a chemical reaction but burning of candle is the example of both physical and chemical reaction...since we can make candle from wax...in the same way we can convert ice to water and vice-versa. So how is it not a physical reaction insted of chemical reaction?
    Same for evaporation of watet...

    • @99shipra
      @99shipra 5 лет назад +1

      Manibhushan Kumar yes they are physical reactions .. it will make it clear tomorrow

    • @sabyasachi.333
      @sabyasachi.333 Год назад

      I know it's an old comment but I wanted to know if you have all the chemistry PDFs of ntpc.
      I had them all but recently got my laptop crashed and lost all the data. If you have it. Please reply. My cgl tier 2 is march 2🙏

  • @basantpatel4148
    @basantpatel4148 4 года назад

    Mere hisab se Rong hai mam...pl reply ....kagaj Ko katna ya fadna physical reaction hai .... according to physics reaction.....kyonki pata hai matter ,ki tab dam or avastha me Parivartan...or koi Naya compound nhi bnana hota hai ..

  • @raginisingh5700
    @raginisingh5700 5 лет назад +1

    Mam melting of ice is physical change

  • @ONLINEMANTRAIND
    @ONLINEMANTRAIND 5 лет назад +1

    Maza Aabegecha

  • @learnwithantarachakraborty1860
    @learnwithantarachakraborty1860 5 лет назад +4

    Melting and vaporisation are physical reactions mam

  • @roushanpandey5136
    @roushanpandey5136 5 лет назад

    मैम मेरा एक सवाल है जब हम शांस लेते है तो O2 लेते है।और जब छोरते है तो Co2 छोरते है।।तो हामारे body मे इतना co2 कहा से आता है।जो बार बार Co2 छोङते है वो भी बिना लिये।।

  • @studylive4686
    @studylive4686 5 лет назад

    Waah ji waah...

  • @ravikashyap5741
    @ravikashyap5741 5 лет назад +3

    Mam ice ka melt hona Chemical reaction kaise
    Please explain mam ji

    • @99shipra
      @99shipra 5 лет назад

      Ravi kashyap it’s a physical reaction only

    • @99shipra
      @99shipra 5 лет назад

      Ravi kashyap lets discuss this again

    • @pundaleeksurya6264
      @pundaleeksurya6264 5 лет назад

      @@99shipra kitnee bar yahi matter bolte hai dosto o physical reaction hai all you gyus known but again questioning to mam ..it's a type of disorder asking known fact also ..😀

  • @pinkysinghchauhan1483
    @pinkysinghchauhan1483 5 лет назад +1

    Thanks🙏🙇🙏💕 ma'am

  • @sushanta9630
    @sushanta9630 5 лет назад +1

    Melting of ice and vaporization of water are not the examples of chemical reactions

  • @poonampandey073
    @poonampandey073 5 лет назад

    Thanks MAm

  • @SonuSharma-fl8oc
    @SonuSharma-fl8oc 5 лет назад

    Thanku maa'm

  • @sanasinghmanj9172
    @sanasinghmanj9172 2 года назад

    Melting of ice, water ka vapour banna chemical reaction nhi h

  • @hyper_ninja765
    @hyper_ninja765 5 лет назад +1

    H2 +O2 -> H2O2(Hydrogen peroxides) nahi ho sakta ky Mem???

  • @mr.techrgu-thetechreader5515
    @mr.techrgu-thetechreader5515 5 лет назад

    Ma'am, Videos ke bichme bahot gandi ads aati hain, please ap in ads ko ban karwa dijiye, study ka focus disturb ho jata hai.

  • @SantoshSingh-cc7oo
    @SantoshSingh-cc7oo 5 лет назад

    Yes

  • @MM-hs2uv
    @MM-hs2uv 5 лет назад

    Melting of ice , evaporation of water physical reaction hoga

    • @MM-hs2uv
      @MM-hs2uv 5 лет назад

      Chemical kaise hoga plz reply

  • @vijaynarayansahu2063
    @vijaynarayansahu2063 5 лет назад

    Burning of candle physical because burning k bad wax buchta h

  • @asaramramesh6881
    @asaramramesh6881 5 лет назад

    Madam, first example are physical changes due to chemical reaction hey kyaa ?

  • @Mrkharish57
    @Mrkharish57 5 лет назад

    Thanks madam 👍

  • @ManiTaraShikshaNiketanbangaon
    @ManiTaraShikshaNiketanbangaon 5 лет назад

    According to your defenation of chemical reaction
    DECOMPOSITION reaction is not a chemical reaction. Because two substance are not involve in decomposition reaction

  • @codingtour
    @codingtour 5 лет назад

    Superb class mam ,,,, like u

  • @sonukunwar98
    @sonukunwar98 4 года назад

    *Good class mam...*

  • @kamalkushwah3614
    @kamalkushwah3614 5 лет назад

    मैडम लकड़ी को काटना पेपर को फाड़ना क्या ये रासायनिक अभिक्रिया हैं।अगर है तो कैसे pls बताएं।🙏🙏🙏🙏🏼🙏🙏🙏🙏

  • @yashveersinghrajput7773
    @yashveersinghrajput7773 5 лет назад

    aacha kaam kr rhi ho

  • @riteshsingh4332
    @riteshsingh4332 5 лет назад +2

    please upload the pdf of metal and non metal along with 50 important facts of periodic table...

  • @basantpatel4148
    @basantpatel4148 4 года назад

    Melting point is not chemical reaction....it's physical reaction.....pl...rpl mam

  • @veeruankit
    @veeruankit 5 лет назад +9

    22 April World Earth day!
    Theme : Protect our species!

    • @sabyasachi.333
      @sabyasachi.333 Год назад

      I know it's an old comment but I wanted to know if you have all the chemistry PDFs of ntpc.
      I had them all but recently got my laptop crashed and lost all the data. If you have it. Please reply. My cgl tier 2 is march 2🙏

  • @abhishekmishra1033
    @abhishekmishra1033 5 лет назад

    Thanks mam very nice class

  • @rjrj6844
    @rjrj6844 5 лет назад +1

    Maim wifi app par 3 aprel se today meance april 22 k beech ki koi class ya pdf show nahi ho rahi whats the reason plz tell me