• 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 gas used for filling weather balloons is

Air
Nitrogen
Helium
Hydrogen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Spontaneous change is one in there is:

A lowering of free energy
An increase in Internal energy
Increase in free energy
A lowering of entropy

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
In a period from Li to F, ionisation potential

Increases
Decreases
Remains same
Cannot be predicted

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

1.2 gms
0.12 gms
12 gms
120 gms

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following could be used as fuel in propellant or rockets ?

Liquid Hydrogen + Liquid Nitrogen
Liquid Oxygen + Liquid Argon
Liquid Nitrogen + Liquid Oxygen
Liquid Hydrogen + Liquid Oxygen

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise mixture
Stabilise the colloid and prevent crystallisation
Prevent making a colloid
Enrich the aroma

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
↑