• 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 mass of one Avogadro number of helium atom is

4.00 gram
1.00 gram
4 x 6.02 x 1023 gram
8.00 gram

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?

1/3
1/6
1/4
1/8

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Peroxyacetyl nitrate is a

Acidic dye
Plant hormone
Secondary pollutant
Vitamin

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Silver gets corroded due to ________ in air.

Nitrogen
Hydrogen Sulphide
Carbon dioxide
Oxygen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

Phenyl alanine
Amino phenyl alanine
Dihydroxy phenyl alanine
Hydroxy phenyl alanine

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Synthetic detergents are prepared from

Hydrocarbons of petroleum
Sodium salts of higher fattyacids
Potassium salts of higher fatty-acids
Glycerides

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
↑