• 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
Zone refining is used for the purification of

Ag
Au
Ge
Cu

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Isothermal system
Isobaric system
Open system
Closed system

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following is not a derivative of barbituric acid

Nembutal
Amytal
Veronal
Equanil

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Impure camphor is purified by

Sublimation
Steam distillation
Fractional distillation
Fractional crystallisation

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following is used as a lubricant in heavy machines?

Sulphur
Graphite
Phosphorus
Bauxite

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
↑