• 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 term 'brown air' is used for

Industrial smog
Acid fumes
Photochemical smog
Sulphurous smog

ANSWER DOWNLOAD EXAMIANS APP

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

n2
n-2
n3
n

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Strontium
Sodium
Barium
Calcium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
If water smells bad, then that odour can be removed by adding

Bleach
Deactivated nitrogen
Activated carbon
Alum

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which one of the following is a greenhouse gas ?

Helium
Nitrogen
Carbon dioxide
Sulphur dioxide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

Nitrogen
Neon
Sodium
Hydrogen

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
↑