• 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 maximum number of covalent formed by nitrogen is

3
4
2
1

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
DDT and BHC may act as

None of these
Carcinogens
Asthematic agents
Allergens

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
An example of replenishable energy source is–

Coal
Biomass
Lignite
Petroleum

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Name two elements that find wide application in transistor industry

Iridium and Germanium
Tungsten and Platinum
Silicon and Germanium
Carbon and Platinum

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Iron rusts quickly in

Distilled water
River water
Sea water
Rain water

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Pollutant from motor car exhaust that causes mental disease is

Lead
SO2
NO2
Hg

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
↑