• 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
Limestone is a raw material used by which industry?

Fertilizers
Cement
Petrochemicals
Aluminium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Threshold limit value of copper in the atmospheric air is

0.001 mg/m3
0.01 mg/m3
5.0 mg/m3
1.0 mg/m3

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following metals has least melting point ?

Silver
Gold
Copper
Mercury

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?

18
12
6
Zero

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
A thick paste of cement, sand and water is called

R.C.C.
Concrete
Mortar
Kiln

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Oxygen has (+) oxidation number only in

OF2
C12O
N2O
H2O (2)

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
↑