Questions

If V/I is a constant, it is called:

What is the position of metallic ion and non-metallic ion in a chemical formula?

Generally covalently bonded molecules ______.

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

Which of the following books is NOT of Surdas?

The instrument used to regulate temperature to particular degree is called

Plants of which group are predominantly aquatic?

_____ is not caused by airborne transmission.

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.