• 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 element used for making solar cells is

Calcium
Silicon
Sodium
Magnesium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water

Magnesium
Calcium
Manganese
None of these

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Hardness of the water is commonly measured in terms of

Magnesium carbonate equivalents
Calcium carbonate equivalents
Calcium sulphate equivalents
Magnesium sulphate equivalents

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The function of skimming tank in sewage treatment is to remove

Inorganic substances
Oil and fatty substances
Gritty substances
Suspended solids

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Among the following the hardest metal is

Tungsten
Platinum
Gold
Iron

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :

Oxidation
Hydrogenation
Hydrolysis
Ozonolysis

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
↑