RRB ആവർത്തിച്ച കെമിസ്ട്രിയുടെ 250 ചോദ്യങ്ങൾ Part - 3 || RRB NTPC, Group D

[@Academis]

*To join the complete Chemistry Crash Course send "Chemistry" to 08891489498 in WhatsApp/Telegram
or click here: wa.me/918891489498?text=Chemistry
Link you our website: academisonline.com

[@sreelakshmisnair2842]

Ruby- maanikyam
Blue sapphire- indraneelam.
Yellow sapphire- pushyaraagam.
Emerald- marathakam.
😊😊🙏

[@Firdous_frds]

J J Thomson Electron inventing exp :- cathode ray tube exp

[@yazaz6960]

German Silver or Nickel Silver constituents:
Copper, Zinc, Nickel

[@smrithinair4410]

Thanku sir 🙏
Raja Ramanna
NO2

[@harishmaharidas6158]

Very very useful class sir❤️
Q.Water exist both as solid and liquid at..?

[@prabeenjprakash5128]

273k..triple point temp ....exist as solid ,liquid,gas

[@prajeenak1548]

Thanks sir... very useful classes..my Q is The chemical formula of smelling salt _ Ammonium carbonate.

[@sathyachithc7747]

Thnkuuuu sirrr gud class👍
Q. Potasium bicarbonate used

[@prashanthgopal41]

Sir inte class nalla confidence tharunnu. Njanum classes edukkunnud and preparationum. Science was out of touch for a long time ippo oru grip kittunnund. Thanks to your effort

[@shyjushyju868]

Thank u sir
Metal used for making of aeroplane -duralumin

[@dhanishatj9175]

Acid rain-No2 ,so2

[@abhijith1142]

117: രാജരാമണ്ണ

[@itsmes3579]

Sir, theme of important days 2019 theme padikano sir, pls reply sir

[@vimojv9059]

Super class...Oro class kazhiyumbozhum njangalde confidents koodunnu sir🙏🙏🙏💖❣️

[@karthikas9569]

German silver alloy of copper, nickel,zinc

[@arunkp5693]

Exhaustive..

[@nitheeshnarayanan6895]

When two liquid material do not mix with each other and do not make solution, then they are called Immiscible.

[@nijeeshk6968]

Thank u sir...pls continue...

[@explore_with_padma]

German silver is an alloy of Cu, Zn and Ni

[@chandnifrancis6579]

What is the atomic number of the element Which is named after a state in America

[@anshaarakkal]

95

[@Kamuivlog]

Father of atom bomb : jahangir bhabha

[@anjanam8952]

Useful series sir✌😀😍
German silver alloy of Cu, Ni, Zn
Q. White Tar is called

[@sachinas2343]

Naphthalene

[@Academis]

Thankyou Anjana and Sachin. ❤️

[@harisankarmjunnithan4773]

Sir geography rivers kurich oru video cheyumo

[@nitheeshnarayanan6895]

Thank You Sir....

[@anur7016]

Glauber's salt. Sodium sulfate, class supper

[@sharath8069]

2 MOST ESSENTIAL FEATURES OF ELASTOMERS ARE VICOSITY AND ELASTICITY

[@Krishnaprasad-jg5mq]

Thankyu chetta

[@shabanas4735]

Deacon's process is used for manufacture of?

[@aswathypasok94]

Chlorine?

[@shuaibabdulla1665]

Recent Ssc exam question 👇
Total number of hydrogen present in Toluene - 8 (C7H8)

[@meeraarun2436]

Sir current affairs classes koodi cheyumo pls..

[@ubaidmtkuniya4586]

Sir..
I am on the waiting list for Rrb je 2019.
What are the next possibilities? Does the standby list have specified time?.

[@karthikas9569]

The adsorbent used in color chromatic graphic method

[@hrudyack93]

Cracking in brass is caused by
Ans. Ammonia

[@haripriyarp6156]

Reasoning class koodi idumo sir?

[@haripriyarp6156]

Element having maximum number of Isotopes?

[@nithinm7485]

Tin - 10

[@haripriyarp6156]

Correct

[@nimishaantony6400]

German Zilver ---Copper, Zinc, Nickel

[@ambadianandan7475]

Gold dissolves in which pure acid???

[@MrBabysen]

The method of estimation of Sulphur in an organic compound?

[@brittoxavier8696]

Which chemical used for photographic filim?

[@ambadianandan7475]

Silver is resistant to aquaregia... Silver dissolve only in nitric acid.

[@Academis]

Thankyou. Noted.

[@richugay3642]

Homi j baba.
G.silver: cu zn ni
Bleeching powder: caocl2

[@devusureshkumar6241]

Father of Indian atom bomb Raja Ramanna alle

[@sudheeshpc9901]

What form of state is fire?

[@reshmanimil4236]

Metal most abundant in moon?

[@dhanishatj9175]

German silver have copper,zinc,nickel

[@itsmes3579]

Sir tip of match stick answer examin potassium chlorate maathram koduthirunno

[@aromalak2024]

Sir youtubel maths classum mental ability clss edukumo

[@dhanyamuralidharakurup1806]

Pls sir maths classum koode edukuo.

[@arunraveendran6326]

Bleaching powder - calcium hypochlorite

[@anum1592]

2020 Nobel prize in chemistry?

[@vkrishnankrishnan6356]

1) Jennifer Anne Doudna..is an American biochemist.. 2) Emmanuelle Marie Charpentier. is a French professor and researcher in microbiology.

[@rajisharajan122]

mercury which is not form amalgam with which element?
iron

[@allenchristyaj7408]

Gud class sir

[@aromalak2024]

Father of moder periodic table?

[@chinchukannan9035]

father of indian atom bomb____ H J Bhaba

[@akhiljohn7423]

Bleaching powder- CaOCl2

[@Academis]

✌🏾

[@nithyaprasad3598]

which element have high electron affinity?

[@meghamk2023]

Lithium

[@vishnuj.s5330]

Which is the main compound in voters ink?

[@nijeeshk6968]

Silver nitrate

[@dhanishatj9175]

Homi j bhabha

[@nimishaantony6400]

Calcium Hypo chlorite-- is Chemical name Of Bleaching Powder

[@Aryasponnu]

Wood spirit?
Ans:methane

[@Academis]

*methanol

[@nijeeshk6968]

What is rancidity? How can we prevent it?

[@aravindv8712]

Physics previous koode edumo ?

[@ABC-kl6uq]

1)Who found that when electricity is passed through water it decomposes into hydrogen and oxygen?
2)Acid present in Apple?

[@aswathypasok94]

2. Apple-Malic acid?

[@2ii22]

The aques solution of 40%formaldehyde is called

[@shabanas4735]

Formalin

[@smilesmile7564]

Heaviest radio active element eatha

[@ajithas7487]

Heaviest metal in periodic table

[@abijithdas2963]

100 th element in periodic table?

[@siddharth7610]

Fermium

[@deepakct7]

Next group d and ntpc exam expecting year?

[@soniyaki7039]

Sir, carborandom and corandum same aano? Which is the second hardest material?

[@rejinraj134]

Alla. Carborandom is Silicon Carbide and Corundum is Aluminium Oxide

[@yazaz6960]

The oxide of Nitrogen used in medicine as anaesthetic is ?

[@anjanam8952]

Nitrous oxide aano🤔

[@dhanishatj9175]

Nitrous oxide

[@yazaz6960]

I also thought it was Nitrous oxide but the answer is
Nitrogen Pentoxide.

[@adithcv868]

Heating coil is made up of which metAl??.

[@ABC-kl6uq]

Nichrome

[@sarathkumarthottappally6088]

100th element in Periodic Table?

[@sidharthkichu6310]

Which century is known as plastic century

[@nikhil.k4088]

Thank you sir❤❤❤
Least metal in human body??

[@midhunraj9946]

Part 2 link

[@Arunkumar-fk7vy]

Muriatic acid is the old name of - HCl

[@soniyaki7039]

Prusic acid enthaanu

[@Arunkumar-fk7vy]

@@soniyaki7039 prussic acid - HCN

[@quid97]

Who invented Thermo scope

[@subybinu5025]

Anti knocking can be lessened by

[@jelettajohn4538]

Anti knocking koottuvalle vende

[@anshadhameed6111]

The acid used to remove ink & rust spots on clothes :- O_____ Acid.

[@achufredy2683]

Oxalic acid

[@sidharthkichu6310]

Oxalic acid

[@nithinm7485]

Father of indian chemistry ?

[@aswathrnair187]

P c roy

[@hrudyack93]

NO2

[@emthebest8421]

element with highest Electro negativity !?

[@emthebest8421]

Flourine

[@emthebest8421]

Highest elctron affinity
...?
Chlorine...
Because of its size... 🙂🙂

[@akhil.g.s2454]

Q : THE TAPE OF A TAPE RECORDER IS COATED WITH ?
Q2 : BRASS GETS DISCOLORED IN AIR BECAUSE OF THE PRESENTS OF WHICH GASES IN AIR. ?
THANK YOU SIR ❤️

[@sarathkumarthottappally6088]

1)oxides of iron or chromium

[@sarathkumarthottappally6088]

2)due to the Oxygen presence

[@arunkc7910]

Sir Seicene problem cls pls

[@rahulrajeevan7025]

Bell metal is an alloy of ....?

[@sarathkumarthottappally6088]

Tin and Copper

[@meghamk2023]

Tincture of iodine ?

[@sarathkumarthottappally6088]

Is an Antiseptic..

[@soneshks]

National chemical lab situated in ?

[@ajithas7487]

Pune

[@kiddies6013]

Sir I can't view my application status... HW can I check it

[@suhaidmp4990]

3part nu വേണ്ടി വെയ്റ്റിംഗ് ആയിരുന്നു

[@Academis]

ഇനി പട പടേന്നു വരും, കുറച്ച് തിരക്കിൽപ്പെട്ടു പോയി. അതാ വൈകിയത്.

[@suhaidmp4990]

അത് മതി

[@sreerajalappy4765]

Raja Rammanna

[@hrudyack93]

Raja ramanna

[@dhanishatj9175]

Annealing means ?

[@sarathkumarthottappally6088]

Heating of Metel

[@suhaidmp4990]

How many groups of preroiadic table

[@aswathrnair187]

18

[@achufredy2683]

Chemistry nobel prize 2020?

[@arjun7884]

Jennifer & Charpenter

[@rahmathmuneer2520]

സാധാരണ ടൂത്ത് പേസ്റ്റിൽ കാണപ്പെടുന്ന രാസപദാർത്ഥം?

[@indianarmylover4576]

Fluoride

[@itsmes3579]

Sir comment like cheyyunath k, but reply tharoo sir

[@nishandakm4399]

ithu pinneed rvse cheyyan pdf kittuo ?

[@jayalekshmi66]

Chemistry part 2 ???????

[@pavithraprathwin2505]

Thanmathra Enna patham first used.?

[@jelettajohn4538]

Avogadro

[@rahmathmuneer2520]

Raja ramanna ano answer

[@ashaas5684]

Thanks sir

[@hihi-ru2ww]

Ntpc or group d etha aadyam varunna exam?