• 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
Main source of lead pollution is from

Sewage
Insecticides
Leaded gasoline
Tobacco

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The gas involved in Bhopal incident was

Methyl isocyanide
Hydrogen sulphide
Methyl chloride
Nitrogen dioxide

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The compound to which H2 does not add is

Tetra –9 – phenanthrylethylene
Tetra – a –naphthylethylene
Biphenyl ethylene
Tetraphenyl ethylene

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The most important ore of lead is

Siderite
Magnetite
Pyrolusite
Galena

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –

Exclusion Principle of Pauli
Avogadro's Law
Uncertainty Principle of Hiesenberg
Hund's rule of maximum multiplicity

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

Ultraviolet rays (UV)
X–rays
Gamma rays
Infra-red (IR)

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
↑