WBCS Chemistry Previous 10 Years Questions With Solutions In One Shot | WBPSC Wallah | In Bengali

[@ribhumodak8478]

CO2 used as fire extinguisher..Cu+Sn also for Bell metal... 212 deg F....U-235 dating used for determining the age of rock.Fe+Cu thermocouple pair..Tear gas is Chloropicrin or Nitrochloroform CCl3NO2..Zn is there in Insulin..Iodex..Cu mainly as impurity mixed within Au...

[@ribhumodak8478]

Nice to see you again sir in this awesome platform..awesome class..WBPSC related all exam prep related classes highly needed.rilway related question answer ektu discuss or practice koraben plz..thank you

[@debjitadas6680]

The best chemistry class

[@Dormin7584]

Darun class..are nothun questions neyeee aasun sir❤

[@provatroy1474]

Thank you sir

[@DeepaMandal-lw8pt]

Sir apnar class khub valo lagha aivaba class chalia jaban.

[@Muhammad-2a]

Fire extinguisher Gas - co2 , water boiling point in fahrenhite scale 212° F

[@vid2927]

WBCS mains er paper gulo eibhabe explain kore dile bhalo hoy.
Sudhu science noy , sob kota paper.
Please 🙏🙏🙏🙏🙏

[@Micheal451]

Awesome class 👍

[@ProsenjitGhosh-l8c]

maths e sankar sir best ... onar logic r approch 😍😍

[@PrayasChandathinker]

9(A) thermocouple pair: Cu & Fe

[@Hehehehehheeleseq1]

nitrogen inert is itt??

[@siulipramanick3512]

Khubb sundor vedio

[@moitysingha9107]

Sir please mains r previous year question gulo o evabe discuss korun ... Atleast 5-6 yr r

[@silpakhanra]

52. It will be mercurous nitrite(HgNO2) not ammonium nitrate.

[@Roy-x9j8d]

Best ❤

[@koyelbiswas1807]

Daruuunnn

[@siprasarkar6003]

Sir chemistry PYQ 2000 sal porjonto complete kora din and also mains PYQs

[@barish9938]

Mg(OH)2 milk of magnesia

[@raneshmitra8156]

3.Beckrel

[@FF-JOD-GAMER]

Sir , I am a bsc chemistry student. I think you have made a mistake unknowingly in question no 29. The correct answer is A.lindlar catalyst not B.H2/pd because H2/pd will convert propyne to propane.....

[@Suvojitsir]

Correct .. But the actual question is Wrong .. In case of Hydrogen / pd , complete hydrogenation takes place .. but incase of Lindlar Catalyst , due to its poisonous behaviour the reaction stops with the conversion of Propene. Thank You so much .. But the commission enters Option B in their answer key

[@siulipramanick3512]

Sir mains er pyq ektu discuss kore debennnn plzzzzzzzzz

[@anandadas4604]

Apps e apnader class pacchi na keno

[@akashsen9735]

Fire extinguisher CO2

[@barish9938]

Atom bomb _fission

[@Mostofasiraj11]

Sob Kichu Jodi Comment e Bolte Hoi tobe apni class keno koracchen Direct Pdf diye din je etar ans eta

[@BiswajitDutta_95]

Bakita comments e bolbo😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

[@piyalibhadra4795]

Co2 use hoi fire extinguisher

[@pradipkrsinha5675]

❤

[@aninditabhattacharya3209]

Co2

[@piyalibhadra4795]

212 f

[@jyotisekhardatta5520]

Video theke beshi content comments a likhte bolen 😂😂

[@suchitramahato6372]

Respect sir

[@barish9938]

German silver doesn't have any silver 0%

[@dinabandhuhalder-wc5qz]

Sir CGL chsl mts , railway questions anben please,

[@sonjoy5699]

Thank you sir

[@trickysubhajit221]

Co2