• 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
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

CO
All of these
O3
CO2

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The number of hydrogen bonds between guanine and cytosine in DNA is

1
4
2
3

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Sea water is saltier than rain water because

Rivers wash away salts from earth and pour them into the sea
Sea beds have salt producing mines
Sea animals are salt producing
The air around the sea is saltish

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Element 106 was discovered by

Kurchatove
Seaborg
Lawrence
Rutherford

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Sulphur dioxide level in the atmosphere can be reduced by using

Catalytic converters in industry
Low - sulphur fuels
More efficient car engines
Static electricity to attract it in factory chimneys

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The antiseptic compound present in dettol is

Cresol
Iodine
Enloroxylenol
Biothional

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
↑