HARD
9th CBSE
IMPORTANT
Earn 100
Draw a labelled diagram of the experimental set-up to demonstrate the sublimation of ammonium chloride.
Important Questions on Model Test Paper (As per The Latest Marking Scheme)
EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed from calcium and flourine.
EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed from hydrogen and sulphur.
EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed from nitrogen and hydrogen.
EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed from carbon and chlorine.
EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed from sodium and oxygen.
EASY
9th CBSE
IMPORTANT
Give the formula of the compound formed from carbon and oxygen.
HARD
9th CBSE
IMPORTANT
Describe Bohr's model of the atom. How did Neil Bohr explain the stability of atom?
MEDIUM
9th CBSE
IMPORTANT
Define mass of a body. What is the SI unit of mass?
