RRB ആവർത്തിച്ച കെമിസ്ട്രിയുടെ 250 ചോദ്യങ്ങൾ Part - 4 || 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

[@insideWorlde]

Super

[@nandug3432]

Chemical sun -- magnesium

[@pavithravijayan2234]

Chilie salt Peter sodium nitrate

[@drjifzamuz2136]

174 Chile salt peter is Sodium Nitrate (NaNO3)

[@AnushaAnu-dw4ov]

Rdx research department explosive

[@nikhildas7620]

13:30 ആദ്യമായി atomic mass ന്റെ ആരോഹണ ക്രമത്തിൽ മൂലകങ്ങൾ വർഗീകരിച്ചത്‌ - Newland അല്ലേ .ഈ ക്രമത്തിൽ periodic table നിർമ്മിച്ചത്‌ അല്ലേ mendleev..

[@abeenashanu567]

Part 3 il aaro calling bell adichu.. Ee part il cooker adichu😅😅 Good class sir👍🏼

[@Academis]

Ha ha

[@gireeshkumar4119]

SULPHONIC ACID

[@sujith8208]

കേരളത്തിന്റെ തീരങ്ങളിൽ കാണപ്പെടുന്ന റേഡിയോ ആക്റ്റീവ് മൂലകം?

[@devrenjpap4896]

Laughing gas? Nitrous oxide

[@ranithpp2444]

Yooo.. Super video aayirikum.. So.. Super 🤩🤩🤩

[@vaisakhps3045]

ആശാനേ..........

[@ranithpp2444]

@@vaisakhps3045 ഓഓഓ

[@DileepRajan95]

Cuso4 color

[@gokulkv4889]

1.The last natural element in the periodic table- uranium 2.electrolyte used in lead acid battery- sulphuric acid 3.most electro postitive element- francium 4.madam Curie discovered- radium 5.the element used in the dials of clock- radium 6.rainbow metal- iridium 7.anomalous metal- mercury 8.amalgam used for dental filling- silver amalgam 9.bauxite containing chief impurities of oxides of silicon is- white bauxite 10.simplest alcohol-. Methanol

[@chanjalkt7104]

Sir 5 th class

[@indianarmylover4576]

Q1) What is used in a nuclear reactor as a moderator. It is also known as Heavy Water? Ans -: Deuterium Oxide (D2O) Q2) Which Metal is in the liquid state at room temperature? Ans -: Gallium Q3) _________ elements are non-metal. Ans -: Electro-negative Q4) What is known as Artificial Silk. Ans -: Reyon Q5) Nitrous Oxide (N2O) is also known as - Ans -: Laughing Gas Q6) Which compound is used to prepare waterproof clothes? Ans -: Calcium hydride Q7) Which Nobel Gas is also known as ‘Stranger Gas’? Ans -: Xenon Q8) Which Acid is known as ‘Oil of Vitriol’? Ans -: Sulphuric acid Q9) For the making of a parachute, which polymeric substance used? Ans -: Viscose Q10) Acid rain is caused when the air is polluted by ____________ Gases. Ans -: Nitrous Oxide & Sulphur dioxide Q11) All noble gases are ________ & ________. Ans -: Colourless and Odourless Q12) ________ is used as a Water Purifier. Ans -: Alum Q13) Aluminum is extracted from which ore? Ans -: Bauxite Q14) The ________ Process is used to synthesized Ammonia (NH3)? Ans -: Haber’s Process Q15) Which compound/acid commonly known as Aspirin? Ans -: Acetylsalicylic Acid

[@abdulazeezn7830]

Thanks sir ♥️. ingane yulla classukal iniyum predheekshikunnu

[@sivankk106]

Con. H2 SO4=Olium

[@ratheeshmadhavan4396]

Thanks

[@mayact6857]

Really energetic teacher... I appreciate ur teaching method.

[@anjithanju05]

Thank you sir😍 Element identitycard :Proton

[@akshathah4428]

Chile salt peter is sodium nitrate

[@karthikg2072]

എത്ര പേര് ntpc എക്സാം എഴുതീട്ട് ഉണ്ട് (current exam)

[@rinchuviswanath2383]

Chile salt Peter sodium nitrate

[@achufredy2683]

Red vitriol Blue vitriol Oil of vitriol

[@2ii22]

Zinc sulphate Cu sulphate H2so4

[@flareup6001]

Green house gases.... methane..water vapour

[@prajeenak1548]

Thanks sir...chile salt peter_ sodium nitrate.. And my Q is.. chemical name of lunar caustic..?

[@Academis]

😍😍

[@sathyachithc7747]

Red vitriol- cobalt sulphate

[@baluvk5510]

💯useful sir 😊✔️

[@sreejithmj7116]

Chilly Sault Peter sodium nitrate

[@sujithlal1200]

PH value of milk?

[@harishmaharidas6158]

Alloy used to fill the cavity of teeth?

[@prabeenjprakash5128]

Dental amalgam (mercury+ cu/tin....) pinethokayo unde

[@anaswarelayadath]

Silver amalgam

[@anjanam8952]

Good one sir😍✌ Atomic No. Mosley Chile salt Petre - Sodium Nitrate Q. Stibenite is the Ore of

[@Arunkumar-fk7vy]

Antimony

[@prabeenjprakash5128]

Antimony(stibeni aunty )

[@saeedmas3640]

Old name of acetic acid? Ans: ethanoic acid

[@meeraarun2436]

Metal present in blood

[@soniajohnson2690]

Thank you sir God bless you

[@veenas206]

Toothpaste is basic in nature

[@sooraj1729]

who discovered electrolysis..? ans: Michael Faraday

[@harishmaharidas6158]

The powder which is used in the Carrom Board..?

[@ajithas7487]

Boron

[@aravindv8712]

boric acid

[@ranithpp2444]

Boric acid

[@sreejithmj7116]

Green

[@sreejithmj7116]

Super cooled liquid

[@sreejithmj7116]

Vinegar

[@akashk.k4108]

Hydrated coper sulphate is blue colour

[@emthebest8421]

Chilie salt peter.. Sodium nitrate.. ചിൽ സാറ .. Sa=സോഡി യം എന്ന് അലോയ്‌ച്ചാൽ മതി

[@sreejithmj7116]

Carbon

[@resmiip7217]

Thank u sir...

[@shabnamrahman8182]

LPG cylinder weight? 14.2kg

[@vivek-kw3bq]

Working principle of quarts crystal in watch is....???

[@sreejithmj7116]

Calcium carbonate

[@allenchristyaj7408]

Good class sir thank you

[@nijeeshk6968]

Thank you sir...Really good session... My Q: Gun metal is alloy of ??

[@baluvk5510]

Copper, zinc, tin

[@sreejithmj7116]

Acid

[@melnusmathew4897]

👏👏😍 Hard water and soft water can be distinguished by......

[@sreejithmj7116]

Kerosene

[@rahulrajeevan7025]

Which metal is known as wonder metal

[@mybelleakku9479]

Titanium

[@sreejithmj7116]

Renewable

[@subinbaby4917]

Sir.....cooker paadunnathi idakku Kellan❤️❤️❤️

[@Academis]

Ha ha. Just my അമ്മ things!

[@subinbaby4917]

Sir what's app no. Share cheyyamo if you don't mind....❤️

[@Academis]

08891489498

[@sreejithmj7116]

Ramsay

[@sreejithmj7116]

Potassium nitrate

[@sreejithmj7116]

Diamond

[@harikrishnank5795]

atomic number HENRY MOSELY

[@deva719]

Actually i searched for it as Who arranged the periodic table in the increasing order of atomic number. And surpricingly i couldnt even found the name of Mosley. Everywhere it is written as Mendelev... 🙄🤦‍♂️

[@deva719]

I got ans from ur comment thanks👍

[@vvijayakumar7687]

Which Gas is Used in Car Airbags ?

[@nikhil.k4088]

Thank you sir❤❤❤ Number of elements in mendeleevs periodic table??

[@AbdulRahman_A1996]

You are awesome bro!

[@anwai4u]

👍

[@sreejithmj7116]

Calcium hypo chlorite

[@kinginiZzzWorld]

Element that obtained from its purest form from nature Platinum Green salt is Uranium tetra fluride What is chinease white Zinc oxide First artificial element Technisium

[@Academis]

Thank you

[@anur7016]

Atomic number of lead 82,tin 50, mendelevium 101

[@shyjushyju868]

Thanku sir rainbow metal?

[@veenas206]

Iridium

[@sreejithmj7116]

Artificial rubber

[@saeedmas3640]

Neoprene

[@vishnuk7180]

Calamine is the ore of which metal

[@vishnuk7180]

Zinc

[@ranithpp2444]

Zinc

[@nidh1924]

Main constituent of CNG- methane

[@sreejithmj7116]

Cesium

[@sreejithmj7116]

Aliphatic

[@sreejithmj7116]

Peroxy acetaile nitrate

[@shuaibabdulla1665]

Non metal that shows allotropy in liquid state - Sulphur

[@sreejithmj7116]

Caso41/2H2O

[@ajithas7487]

Jepisum

[@hooriya123]

Q1. Iorn surface turns red due to the formation of? Q2. Silver surface turns black due to?

[@baluvk5510]

1. Its due to corrosion 2.reactions with H2S

[@sreejithmj7116]

Molarity

[@Arunkumar-fk7vy]

Who classified elements on the basis of atomic volume..?

[@anjanam8952]

Lothar meyer

[@shikharam756]

Which is also called Marsh gas ?

[@ajithas7487]

Methane

[@shikharam756]

@@ajithas7487 yes correct

[@ranithpp2444]

Methane

[@sreejithmj7116]

J J thomason

[@sreejithmj7116]

Fermium

[@aswathymadhavan5039]

Which compound is known as aqua fortis? Nitric acid

[@sreejithmj7116]

Protium

[@sreejithmj7116]

Hemataite

[@deepikaravi6863]

Thank uu sir... very useful classes ❤️❤️

[@sreejithmj7116]

Henry baccqural

[@sreejithmj7116]

Lather

[@siddharth7610]

99th element?

[@sreejithmj7116]

Hydrogen

[@sreejithmj7116]

Nichrome

[@rr.m411]

Who invented electro negativity scale ??

[@sreejithmj7116]

Al

[@itsmes3579]

Sir physics class idumo 250 chodhyanghal, waiting sir

[@Academis]

Tonight 7 PM.

[@sreejithmj7116]

Cuso4

[@sreejithmj7116]

Solution

[@sreejithmj7116]

Safety glass

[@ItsMe-sz9bz]

The crystal form of carbon which is known as buckyball is...

[@jishnuramp4198]

Atmosphere of Venus mostly contains which of the gas?

[@veenas206]

Carbon dioxide