• 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 metal that is usually extracted from sea water is

Ca
K
Na
Mg

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The chemical substance present in bones and teeth is

Calcium borate
Calcium chloride
Calcium phosphate
Calcium sulphate

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.4 mole
0.25 mole
0.2 mole
0.5 mole

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The chemical name of baking soda is

Sodium nitrate
Sodium chloride
Sodium bicarbonate
Sodium carbonate

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to

NO2
N2O
SO3
SO2

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Normal rainwater is slightly acidic due to the presence of

None of these
Methane
Carbon dioxide
Sulphur dioxide

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
↑