• 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
Pyrethrin used in mosquito coil is obtained from

A fungus
A seed plant
An insect
A bacterium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following is not a commercial source of energy?

Petroleum
Natural Gas
Firewood
Coal

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?

Methane
Hydrogen
Nitrogen
Helium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Nitrogen fixation is a process of

Assimilation of nitrate
Utilisation of nitrogen gas
Conversion of molecular nitrogen to ammonia
Conversion of organic nitrogen to proteins

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The acid present in red ants is

Formic acid
Acetic acid
Butyric acid
Caproic acid

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Vulcanized rubber contains sulphur

7-9%
10-15%
3-5%
0.02

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
↑