• 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
Which one is heaviest naturally-occurring element of the periodic element

Thorium
Iron
Uranium
Rhodium

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following is used as a preservative to protect processed food?

Sodium metabisulphite
Sodium sulphate
Saccharin
BHT

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which substance is used to retard the setting action of cement?

CaSO4, 2H2O
Na2O + K2O
CaO
Al2O3

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
In ice, the number of hydrogen bonds per water molecule is

8
1
4
2

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The addition of gypsum to portland cement helps in :

Increasing the strength of cement
Reduction in the cost of cement
Preventing rapid setting of cement
Rapid setting of cement

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

10 gram of molecule
1 gram of molecule
0.5 gram of molecule
5 gram of molecule

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
↑