• 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
Threshold limit value of copper in the atmospheric air is

0.001 mg/m3
0.01 mg/m3
1.0 mg/m3
5.0 mg/m3

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
An example of replenishable energy source is–

Biomass
Lignite
Coal
Petroleum

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which among the following is pure matter ?

Air
Brass
Carbon–dioxide
Iron

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Acid rain is caused by the pollution of environment by

Ozone and Carbon dioxide
Carbon monoxide and Carbon dioxide
Nitrous oxide and Sulphur dioxide
Carbon dioxide and Nitrogen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Air shows the property of

None of these
N2
Both A and B
O2

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

50 and 100 km
10 and 20 km
5 and 10 km
20 and 50 km

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
↑