• 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
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

4J
2J
Infinity

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Asthma
Silicosis
Cancer
Pneumoconiosis

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Helium gas is used in gas balloons instead of hydrogen gas because it is

More stable
More abundant than hydrogen
Non-combustible
Lighter than hydrogen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Percentage of lead in lead pencils is

80
31-66
40

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Silver gets corroded due to ________ in air.

Oxygen
Nitrogen
Hydrogen Sulphide
Carbon dioxide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The high reactivity of fluorine is due to

strong F - F bond
its high electro negativity
small size of fluorine atom
availability of d-orbitals

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
↑