• 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 main constituent of natural gas is

Ethane
Methane
Butane
Propane

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
For a spontaneous chemical process, the free energy change is

Positive
Depends on whether the reaction is exothermic or endothermic
Zero
Negative

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Bleaching powder is prepared by passing :

Chlorine over slaked lime
Carbon dioxide over slaked lime
Oxygen over slaked lime
Chlorine over quick lirne

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The pH of human blood is between :

4.5-5
44052
6.5-7
7.5-8

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The metal ion present in Vitamin B12 is

Iron
Nickel
Zinc
Cobalt

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The presence of ozone in the stratosphere is responsible for

Increasing the average global temperature in recent years
Checking the penetration of ultra-violet rays to the earth
Higher rate of photosynthesis
Supplying oxygen for people travelling in jets

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
↑