Play any contest

Play more and learn more. Each contest will give you sound of knowledge in particular subject.

<< Back to Quiz list
Chemical Formulae

You have to select correct chemical formula for the compound

Chemical Formulae
  • 1 of 5:

    What is the formula for potassium nitrate

  • A) KNO3
  • B) KNO2
  • C) KNO4
  • loading


Login & and play to get
Free Mobile Recharge.

Live Free Recharges

Free Recharge image
loginsignup
Flipkart Big Billion Days sale