• 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
Zone refining is used for the purification of

Au
Ag
Cu
Ge

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

Carbary
Parathion
Lindane
DDT

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which one of the following chemicals helps in fruit ripening?

Malathion
Atrazine
Isoproturan
Ethephon

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

120 gms
12 gms
1.2 gms
0.12 gms

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Which of the following vitamins is generally excreted by human in urine?

None of these
Vitamin B
Vitamin D
Vitamin C

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Ethyl alcohol and H2O
Methyl alcohol and H2O
Methyl alcohol
Ethyl alcohol

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
↑