• 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
The hydronium ion is

H3O+
H+
H2+
HO -

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The laws of electrolysis are given by

Faraday
Ostwald
Lewis
Arrhenius

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

5x
5x/36
7.2 x
x/6

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
White coal is

None of these
Hydro-electricity
Diamond
Uranium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The gas used for filling weather balloons is

Helium
Nitrogen
Air
Hydrogen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
During fermentation of sugar, the compound which is always formed is :

Ethyl Alcohol
Methyl Alcohol
Acetic Acid
Ethylene

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
↑