• 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 gas used in the manufacture of vanaspati from vegetable oil is

nitrogen
oxygen
carbon dioxide
hydrogen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
PH value between 6.5-7.5 makes the soil

None of these
Neutral
Acidic
Basic

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Choose the incorrect statement pertaining to organic compounds

They are not easily combustible
They contain mainly carbon and hydrogen
They do not dissolve in water
They have low melting and boiling points

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
What is the principal ore of aluminium ?

Dolomite
Copper
Lignite
Bauxite

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The number of hydrogen bonds between guanine and cytosine in DNA is

3
2
1
4

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The graphite rods in the nuclear reactor

produce neutrons
react with U to release energy
undergo combustion which triggers the nuclear fission
convert fast moving neutrons into thermal neutrons

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
↑