• 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 temperature of oxy-acetylene flame is around

4000°C
3600°C
3200°C
2800°C

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which one of the following is used as a sowing agent in the preparation of soft drinks?

Phosphoric acid
Boric acid
Salicylic acid
Phosphorus acid

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The presence of ozone in the stratosphere is responsible for

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

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following is used to remove ink and rust stains on cloth?

Alcohol
Kerosene oil
Ether
Oxalic acid

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following molecules has a bond order of 2.5

F2
CO
NO
HCL

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Sea water can be purified by the process of

Evaporation
Fractional distillation
Distillation
Filtration

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
↑