• 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
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

All of these
O3
CO2
CO

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
What is the mass percentage of oxygen in carbon dioxide (CO2)

0.305
0.509
0.727
0.658

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The most common cause of pollution of air is

Carbon monoxide
Sulphur dioxide
Carbon dioxide
Smoke

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Charcoal is used in water treatment as a/an

Solvent
Absorbent
Adsorbent
Coagulant

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Sodium Carbonate is commonly known as

Caustic Potash
Baking Soda
Washing Soda
Caustic Soda

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following produces highest amount of energy upon oxidation?

An alkane
Fat
Protein
Glucose

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
↑