• 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
What is the covalency of nitrogen in ammonia molecule

4
5
2
3

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Synthetic detergents are made from

Sodium salt of benzene sulphonic acid
Sodium palmitate
Sodium salt of benzene carboxylic acid
Sodium stearate

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Ozone layer of atmosphere absorbs:

Infra-red rays
Cosmic rays.
Ultraviolet rays
All radiations of Light

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The temperature of oxy-acetylene flame is around

3200°C
2800°C
3600°C
4000°C

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Vulcanized rubber contains sulphur

3-5%
10-15%
7-9%
0.02

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
By-product obtained by soap industry is

Caustic potash
Naphthalene
Caustic soda
Glycerol

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
↑