Is Matter Around us Pure Class 9 Science (Chemistry) - Midterm Marathon (Theory+Questions+Tips)

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  • Опубликовано: 15 окт 2024

Комментарии • 238

  • @BYJUSClass910
    @BYJUSClass910  2 года назад +12

    ✍ Register yourself for ANTHE here:
    ⬇ Link
    byjus.com/aakash-byjus-anthe22/?BY_youtube_organic_9-10&HCWO3Q&BY_9-10_Description
    🔷How to start your preparation for JEE/NEET from Class 9/10
    Register for this webinar here for FREE👇🏻
    ➡Link- byju.me/3TIZW85

  • @5-minutegaming673
    @5-minutegaming673 Год назад +49

    TIME STAMPS
    00:00 Is Matter Around us Pure Class 9 Science (Chemistry) - Midterm Marathon
    4:01 Subscribe BYJU’S Channels
    6:49 ANTHE - Aakash National Talent Hunt Exam
    8:48 About Menti Quiz Time
    9:53 Content
    11:32 Substances Around Us
    12:43 Pure Substance
    13:42 Mixture Substance
    16:12 Homogeneous Mixtures
    17:25 Heterogeneous Mixtures
    19:39 Solution - Homogeneous mixtures two or more substances
    20:06 Components of a Solution
    21:36 Properties of a Solution
    24:11 Types of Solutions based on Amount of Solute
    28:41 Expressing the Concentration of a Solution
    32:05 Important thing is Suspension
    33:22 Properties of Suspension
    35:08 Colloids - Particle size
    35:31 Tyndall Effect
    36:51 Properties of Colloids
    38:08 Components of a Colloidal Solution
    39:11 Changes Around Us
    39:47 Physical Changes
    40:50 Chemical Changes
    42:59 Division of Elements
    43:46 Properties of Metals
    44:17 Properties of Non-metals
    44:48 Metalloids
    45:36 Bring them Together
    46:22 Spot the Difference
    47:19 Compounds vs Mixtures
    48:46 Menti Quiz Time
    1:02:39 About Telegram
    THANK ME LATER

  • @a_humanbeing-yt
    @a_humanbeing-yt 2 года назад +22

    9:56 video starts
    11:35 Introduction
    12:42 pure substance
    13:47 mixture
    16:13 homogeneous mixture
    17:26 Hetrogenous mixture
    19:38 solution
    24:17 types of solutions

  • @Renusurendra1983
    @Renusurendra1983 Год назад +6

    5:08 I love this channel ❤

  • @jolt-youtube3510
    @jolt-youtube3510 2 года назад +16

    THANK YOU SO MUCH FOR PROVIDING SO GOOD FACULTY FOR FREE ON RUclips EVRYONE NEED TO BE A PART OF THIS THANK YOU SO MUCH BYJUS TEAM :D

    • @Islamic_Quotes7869
      @Islamic_Quotes7869 Год назад

      Dhanda band padgay he isiliye padarahe he warna 😂😂😂

  • @gamingwithme9897
    @gamingwithme9897 2 года назад +8

    I would thank the teachers of byjus and the byjus to make live streams in youtube , i have science exam tommorow and i had many doubt s, now i cleared my doubts.🙏🙏🙏🙏🙏🙏

  • @mspranavjai7070
    @mspranavjai7070 8 месяцев назад +1

    Is Matter Around us Pure Class 9 Science (Chemistry) - Midterm Marathon
    4:01 Subscribe BYJU’S Channels
    6:49 ANTHE - Aakash National Talent Hunt Exam
    8:48 About Menti Quiz Time
    9:53 Content
    11:32 Substances Around Us
    12:43 Pure Substance
    13:42 Mixture Substance
    16:12 Homogeneous Mixtures
    17:25 Heterogeneous Mixtures
    19:39 Solution - Homogeneous mixtures two or more substances
    20:06 Components of a Solution
    21:36 Properties of a Solution
    24:11 Types of Solutions based on Amount of Solute
    28:41 Expressing the Concentration of a Solution
    32:05 Important thing is Suspension
    33:22 Properties of Suspension
    35:08 Colloids - Particle size
    35:31 Tyndall Effect
    36:51 Properties of Colloids
    38:08 Components of a Colloidal Solution
    39:11 Changes Around Us
    39:47 Physical Changes
    40:50 Chemical Changes
    42:59 Division of Elements
    43:46 Properties of Metals
    44:17 Properties of Non-metals
    44:48 Metalloids
    45:36 Bring them Together
    46:22 Spot the Difference
    47:19 Compounds vs Mixtures
    48:46 Menti Quiz Time
    1:02:39 About Telegram

  • @VenkatesanIyer-e1l
    @VenkatesanIyer-e1l Год назад +3

    mam you are such a good mentor also the most appreciating part you are provided this amazing education for free .amazing faculty.
    THANK YOU BYJUS

  • @its_pranay
    @its_pranay Год назад +1

    17:05 Hetreginues two or more mixture but particles are not uniformly divided.

  • @anytimebgm6200
    @anytimebgm6200 Год назад +4

    Queen 👑 of chemistry ❤️

  • @its_pranay
    @its_pranay Год назад

    15:33 Mixture because they have humus , compost , insect , leaves , etc....

  • @darshans-jk2dk
    @darshans-jk2dk 11 дней назад +1

    Very good
    Explenation❤❤

  • @its_pranay
    @its_pranay Год назад

    14:02 For mixture example (on the screen) - lemon juice because it contains lemon juice , water , salt , sugar so yeah you know

  • @aviop12
    @aviop12 2 года назад +3

    Thank u mam for giving masterpiece lecture 💙

    • @BYJUSClass910
      @BYJUSClass910  2 года назад

      Most Welcome Vidhya, Keep Watching and Keep Learning😊

  • @its_pranay
    @its_pranay Год назад

    18:13 Sand and soil mixture is also hetrogeneous mixture

  • @anuragchaubeyindia
    @anuragchaubeyindia Год назад

    9:54 (Starting of the Chapter)

  • @Cookie.552
    @Cookie.552 2 года назад +1

    Because of dissolved gases and salt in sea water( there is no visible boundary of separation) it is classified as homogeneous mixture

    • @kumaraaryan221
      @kumaraaryan221 2 года назад +1

      What about the suspended particles and microorganism in the sea, its actually a colloid, so it's heterogeneous because sea water shows Tyndall effect(it shows the path of light directed at it), the visible boundry of seperation is just a physical thing, a colloid actually looks like it's homogenous because we cannot observe the particles of matter in it and it's stable but actually it's heterogeneous,
      Hope you understand this if not just tell me what you don't I'll explain,😊😊

  • @जय_shree_Krishna
    @जय_shree_Krishna Год назад +1

    Ma'am I have a doubt 🧐 please 🥺 solve it if compound is a homogeneous mixture then why we call it pure substance?

    • @Anaamiga-t9o
      @Anaamiga-t9o 2 месяца назад

      @@जय_shree_Krishna kuku

  • @anilgavadesir7609
    @anilgavadesir7609 Год назад +1

    Thanks teacher for teaching so well ☺️☺️

  • @rimasingh2630
    @rimasingh2630 2 года назад +1

    A solution in which more solute can dissolve a given temperature is called an unsaturated solution

  • @its_pranay
    @its_pranay Год назад +1

    Thankyou very much for this wonderful session 🙂😊😀⭐👍🏻✋🏻
    Thankyou team byjus
    Bye have a good day and health

  • @rimasingh2630
    @rimasingh2630 2 года назад +1

    They do not settled down when left and disturbed that is the collide quite stable

  • @rimasingh2630
    @rimasingh2630 2 года назад

    Elements that are non malleable non ductile and non bad conductor of heat and electricity examples sulphur oxygen etc

  • @rimasingh2630
    @rimasingh2630 2 года назад

    So some properties of metal and sum of non metals examples silicon boron arsenic and etc

  • @carbo3079
    @carbo3079 2 года назад +1

    Mam I have a question that sea water is homogenous or heterogeneous

    • @kumaraaryan221
      @kumaraaryan221 2 года назад +2

      Its actually heterogeneous because it shows Tyndall effect(shows the path of light directed at it), it may seem like it's homogenous to naked eye because there is no visible boundry of seperation and it's stable(it's particle of matter does not settle down like in a suspension), but its actually heterogeneous or colloid

  • @its_pranay
    @its_pranay Год назад

    27:21 Mam by heating so we can add more solute

  • @its_pranay
    @its_pranay Год назад

    15:01 Pure substance

  • @pawankumarchoudhary6469
    @pawankumarchoudhary6469 Год назад

    If we have to make unsaturated solution from a saturated solution then we will increase the temperature

  • @its_pranay
    @its_pranay Год назад

    17:43 Even air is hetrogeneous mixture

  • @rimasingh2630
    @rimasingh2630 2 года назад

    A solution in which no or more solute can dissolve at given temperature is called and saturated solution

  • @jatinderkour9580
    @jatinderkour9580 Год назад

    Thank u kriti ma'am for this session
    My concepts are cleared thank u so much❤❤❤❤❤

  • @its_pranay
    @its_pranay Год назад +1

    44:52 Compund I think

  • @sehanrakesh
    @sehanrakesh Год назад +2

    In the first chapter live your were saying in english but here you are speaking more hindi now i coudnt understand that and i was not in the live i am watching it afterwards

  • @sksgaming_yt1811
    @sksgaming_yt1811 2 месяца назад

    46:18 Another Example:- H20

  • @jitendrarai9856
    @jitendrarai9856 3 месяца назад +1

    Ma'am you read very well, I liked it a lot

  • @joydebsaha2382
    @joydebsaha2382 Год назад +1

    Only thing I would say that byjus has got a speechless teacher😍😍

  • @padmajam1571
    @padmajam1571 Год назад +1

    Thanks for the amazing session kriti mam
    .....byjus is the best

    • @Namish_rox7
      @Namish_rox7 3 месяца назад

      I don’t think so🧐😅☠️☠️🗿🗿

    • @Namish_rox7
      @Namish_rox7 3 месяца назад

      It is on a huge loss😂😂😂

  • @kanakavaralakshmi693
    @kanakavaralakshmi693 Год назад

    Mam I have doubts in Chemical bonding

  • @KashishParmar-xz7ln
    @KashishParmar-xz7ln Год назад

    Thanks mam that you have provided to me a good

  • @manjukumari1324
    @manjukumari1324 2 года назад +1

    Easy and all chapters and so easy

  • @its_pranay
    @its_pranay Год назад

    15:23 Copper is pure

  • @educationwebsite8872
    @educationwebsite8872 Год назад

    Hey mam thanks for giving these free to see on RUclips because I am understanding these chapter and making these own videos
    Byjus-

  • @rimasingh2630
    @rimasingh2630 2 года назад +1

    Option d is the correct answer

  • @its_pranay
    @its_pranay Год назад

    57:35 d?

  • @creativekids6855
    @creativekids6855 11 месяцев назад

    49:55 menti
    39:30 changes around us

  • @shaikmudasir7876
    @shaikmudasir7876 Год назад +1

    code is not comming

  • @priscillamartin6302
    @priscillamartin6302 4 месяца назад

    mam where can i log in MENTI? Iam not able to log in

  • @its_pranay
    @its_pranay Год назад

    😅 44:33 Expection for diamond 💎

  • @anshikasingh9997
    @anshikasingh9997 2 года назад

    Mam I can't understand saturated unsaturated and supersaturated solutions and their conversations

  • @suuuuiiiiii_cr7
    @suuuuiiiiii_cr7 Год назад

    1:00:26 how is it 10% ??? when u apply the formula the numerical are 60/540 x 100 = 11.1.....how 10% ???

    • @Sanchimath
      @Sanchimath 10 месяцев назад

      Bro what you did is incorrect, the formula is mass of solute/mass of solution*100=concentration percentage so,
      60/540+60*100
      =60/600*100
      =10%

  • @sandeepkanojiya4239
    @sandeepkanojiya4239 2 месяца назад

    Your very ncie teacher in world Thank you for teaching as🎉💯☺️

  • @YashodaYN
    @YashodaYN 19 дней назад +1

    Solubility

  • @जय_shree_Krishna
    @जय_shree_Krishna Год назад

    I don't have words to say anything about byju s i love you byju s thanku ma'am for very easy explanation i loved 😘 this session i cleared my doubts. Love u love you a lots of love from me .

  • @shaakhisfoodrecipe8837
    @shaakhisfoodrecipe8837 2 года назад

    How can I get Online SST class

  • @noorthehermit
    @noorthehermit Год назад +1

    it was an amazing lecture, i really enjoyed it

  • @harshitha2907
    @harshitha2907 Год назад +1

    Good

  • @Sappani
    @Sappani Год назад

    21:30 Navani = Naman + Avani

  • @tinusaharan2799
    @tinusaharan2799 2 года назад

    Mam sepration techniques karva do plzzzz mam

  • @Rubyyku
    @Rubyyku 2 месяца назад

    25:55 techer ye portion smjhne keliye mushkil hei in simple if tthe amount of solute contained in a solution is less than the saturation levels it is called unsaturated solution

  • @rimasingh2630
    @rimasingh2630 2 года назад

    Sodium and oxygen is the element of element of example

  • @SajahanAli-d8i
    @SajahanAli-d8i 7 месяцев назад +1

    😊

  • @Niyathi-p1v
    @Niyathi-p1v 3 месяца назад

    maam what is exact definition of Tyndal effect

  • @vinadesai552
    @vinadesai552 4 месяца назад

    I have doubt
    How is water pure substance it is made of hydorgen and oxygen so it will be mixtures .so it must be mixture

  • @YashodaYN
    @YashodaYN 19 дней назад +1

    Tincture iodine

  • @jaspreetmor7530
    @jaspreetmor7530 2 года назад +2

    My I am new in your channel❤

  • @Nazishkhanvlog-qd7cm
    @Nazishkhanvlog-qd7cm Год назад

    Thank u mame I am realy understand for thistopic thank u mame

  • @its_pranay
    @its_pranay Год назад

    ⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐ 18:35

  • @rupeshrao1106
    @rupeshrao1106 2 года назад +1

    Mam is Nacl element ???🤓🙏

  • @rimasingh2630
    @rimasingh2630 2 года назад +1

    Correct answer is milk

  • @Niyathi-p1v
    @Niyathi-p1v 2 месяца назад

    what type of mixture is a dough

  • @Niyathi-p1v
    @Niyathi-p1v 2 месяца назад

    how r solutions different from suspensions

  • @Renusurendra1983
    @Renusurendra1983 Год назад

    Lesson 2

  • @rounakpatro855
    @rounakpatro855 Год назад

    So quality education ❤

  • @reenajangid9503
    @reenajangid9503 4 месяца назад

    I am not able to understand homogenous mixtures.

  • @nandsingh414
    @nandsingh414 5 месяцев назад +2

    Mam i am new

  • @AnvitaPatil-vu6em
    @AnvitaPatil-vu6em 5 месяцев назад

    Mam you are a perfect science teacher ❤❤

  • @rimasingh2630
    @rimasingh2630 2 года назад

    Last option is correct of question 10

  • @nandsingh414
    @nandsingh414 5 месяцев назад +2

    Hii mam

  • @abhayakumarparida5728
    @abhayakumarparida5728 Год назад

    I love this video....🖤🖤🖤

  • @ayeshakhatun3996
    @ayeshakhatun3996 Год назад

    Thank u mam
    I am ayesha khatun

  • @hajrahashpak
    @hajrahashpak 2 месяца назад

    Can someone please tell why silicon is not a non metal

  • @shiwaniverma5193
    @shiwaniverma5193 2 года назад +1

    Pure

  • @VishalPurohit-bc5th
    @VishalPurohit-bc5th 3 месяца назад +2

    Mam mind is saturated by your explanation 😂😂

  • @Vanshitakanwar2276
    @Vanshitakanwar2276 Год назад

    Hats off to you byjus teachers give really good education

  • @saimobile3126
    @saimobile3126 3 месяца назад

    Ma'am paper, leaf , sound, wood, hair , body 🤔

  • @YashodaYN
    @YashodaYN 19 дней назад +1

    Satuated solution

  • @ayamdevil871
    @ayamdevil871 Год назад

    Now not coming 😭😔😔😭 any video in 2023 please 🥺🥺 we want live stream in RUclips and now not coming any missions for class 9th

  • @SajahanAli-d8i
    @SajahanAli-d8i 7 месяцев назад +1

    Chapter 2 ka main map degia mam😊

  • @rupeshrao1106
    @rupeshrao1106 2 года назад +1

    Mam is brass pure? ???rrply plz🤓

  • @funwithnitin4957
    @funwithnitin4957 Год назад

    iodine done

  • @joy_1212
    @joy_1212 Год назад

    "thanks mam for such an amazing session"

  • @Shinchen-rg8zp
    @Shinchen-rg8zp 4 месяца назад

    Thank you mams

  • @lucysharmasurya1770
    @lucysharmasurya1770 Год назад

    500 I did

  • @YashodaYN
    @YashodaYN 19 дней назад +1

    You are Very beautiful

  • @Theindiankitchenyt
    @Theindiankitchenyt Год назад

    👍

  • @kanakavaralakshmi693
    @kanakavaralakshmi693 Год назад

    I am Sri lasya

  • @sashikantabiswal5098
    @sashikantabiswal5098 11 месяцев назад

    ❤❤❤❤😂😂🎉🎉🎉🎉😮😮😮😮 12:38

  • @saimobile3126
    @saimobile3126 3 месяца назад

    Ma'am paper kya hai tb

  • @Nbgamers1111
    @Nbgamers1111 Год назад

    Hi mam

  • @VishalPurohit-bc5th
    @VishalPurohit-bc5th 3 месяца назад

    By adding solvent😅❤