My India

Why is ozone layer getting depleted at the higher levels of...

We do not clean ponds or lakes, but an aquarium needs...

What are Chromosomes ? Explain how stability of the DNA of...

Name two appliances based on heating effect of electric current.

Write an expression for the amount of heat produced in a...

What is the heating effect of electric current ?

List one limitation each of both the attempts mentioned in ‘a’...

With an example, explain Dobereiner’s Triads.

State Newland Law of Octaves.

List two differences between the properties exhibited by covalent compounds and...