What do acids have in common?

What do bases have in common?

(a) What property do all elements in the same column of the Periodic Table as boron have in common ? (b) What property do all elements in the same column of the Periodic Table as fluorine have in common ?

What is the name of common bread mould ?

The acid obtained when common salt reacts with dilute sulphuric acid is-

What are the three main physical properties of soil? What effect do this have on the plants?

What is the common property of acids?

What do marine animals have for insulation from cold?

The angles having a common arm and common vertex are called_____angles.

How do you appreciate the common salt as it is raw substance to many salts ?

Why do leaves have stomata?