• 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
Ultraviolet rays can be used in water treatment as

Hydrolyser
Precipitator
Flocculator
Disinfectant

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The nucleus of a hydrogen atom consists of

1 proton only
1 neutron only
1 electron only
1 proton + 2 neutron

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
CNG used in automobiles to check pollution, mainly consists of

H2
CH4
CO2
N2

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
KMnO4 can be used as

Pesticide
Disinfectant
Fertilizer
Insecticide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The mass of one Avogadro number of helium atom is

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

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The main active constituent of tea and coffee is

nicotine
aspirin
caffeine
chlorophyll

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
↑