What is the common name for Calcium Sulfate Dihydrate?

The scientific name of vitamin B12is :

Who discovered the atomic nucleus?

Which of the following is not an isotope of oxygen?

Which compound is commonly used in the production of heat-resistant bricks for fireplaces and furnaces?

The substance that is added to make natural rubber strong and more bouncy is-

Which noble gas is utilized in radiotherapy?

______is used to coat Galvanised Iron.

When pressure is increased the melting point of ice –

Quartz is a crystalline form of which substance?