• 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
Who modified Bohr's theory by introducing elliptical orbits for electron path

Thomson
Hund
Sommerfeld
Rutherford

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Nucleus of an atom consists of.

Electron, Proton and Neutron
Neutron
Proton
Proton and Neutron

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Chromium
Cadmium
Copper
Lead

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The important ore of aluminium is

Bauxite
Cryolite
Haematite
Fluorspar

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Zinc sulphide is commonly used as

Fungicide
Herbicide
Rodenticide
Deodorant

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
In upper layer of atmosphere ozone is formed by

The action of ultraviolet rays on oxygen
Subjecting oxygen to high pressure
The combination of oxygen molecules
The action of nitrogen on oxygen in atmosphere

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
↑