• 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 number of waves in n x 10th Bohr's orbit are

n3
n-2
n
n2

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
What is a common name for the substance which irritates lachrymal glands ?

Laughing Gas
Tear Gas
Noble Gas
Anaesthetic Gas

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The depletion of ozone layer is due to

Carbon dioxide
Ethane
Chloro fluoro carbon
Sulphur dioxide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following is not a greenhouse gas ?

Nitric oxide
Chlorofluorocarbon
Hydrogen
Carbon dioxide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Surface water is a better source of drinking water because it is poor in

Dust
Algae
Arsenic
Bacteria

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following elements is non-radioactive ?

Uranium
Thorium
Zirconium
Plutonium

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
↑