EASY
9th CBSE
IMPORTANT
Earn 100

What does N.T.P. represent?

Important Questions on Atoms and Molecules
HARD
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT
Identify the cation and anion in the molecular formula of potassium sulphate?

EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed by combining and ions.

EASY
9th CBSE
IMPORTANT
Give one example each of polyatomic cation and polyatomic anion.

MEDIUM
9th CBSE
IMPORTANT
Define the term mole.

EASY
9th CBSE
IMPORTANT
What do the following denote (i) (ii) ?

EASY
9th CBSE
IMPORTANT
Write the chemical formulae of (i) sodium carbonate (ii) calcium sulphate.

EASY
9th CBSE
IMPORTANT
Explain gram atomic mass in terms of mole concept.
