• 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
Oxygen has (+) oxidation number only in

C12O
OF2
H2O (2)
N2O

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which one of the following contributes largely to the ‘green house effect’ ?

Carbon monoxide
Ozone
Carbon dioxide
Water vapour

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The total energy of revolving electron in an atom

Can never be positive
Cannot be negative
Can have any value above zero
Will always be positive

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which is not a green house gas ?

CO2
Chlorofluorocarbons
CH4
N2O

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Nitrogen forms a variety of compounds in all oxidation states ranging from

–3 to + 5
–3 to + 6
–3 to + 4
–3 to + 3

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which among the following is used to dilute oxygen in the gas cylinders used by divers ?

Helium
Krypton
Neon
Argon

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
↑