• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Chemistry

Chemistry
Tear gas used by the police to disperse the mob contains

Ammonia
Carbon dioxide
Chlorine
Hydrogen sulphide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Heating of a ore below its melting point in the absence of air is known as

Refining
Calcination
Smelting
Roasting

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of

an elimination reaction
a condensation reaction
an addition reaction
an oxidation reaction

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The value of Avogadro Number is

6.023 × 1025
6.023 × 1023
6.023 × 1022
6.023 × 1024

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The most abundant constituent of atmospheric air is :

Nitrogen
Carbon
Hydrogen
Oxygen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The fundamental particles present in the nucleus of an atom are

Proton, neutron
Electron, proton
Neutron, electron
Neutron, positron

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Chemistry

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑