EASY
9th ICSE
IMPORTANT
Earn 100

Give the valency and chemical formula for Peroxide.

Important Questions on Practice Paper

HARD
9th ICSE
IMPORTANT
Salt 'A' on heating gives a reddish brown coloured gas 'B', a colourless, odourless gas 'C'  and a residue 'D', yellow when hot and white when cold. Identify A, B, C and D.
HARD
9th ICSE
IMPORTANT
Salt 'A' on heating gives a reddish brown coloured gas 'B', a colourless, odourless gas 'C'  and a residue 'D', yellow when hot and white when cold. Give an equation for the above reaction. 
HARD
9th ICSE
IMPORTANT
Salt 'A' on heating gives a reddish brown coloured gas 'B', a colourless, odourless gas 'C'  and a residue 'D', yellow when hot and white when cold. Give confirmatory tests of gas 'B' and gas 'C'.
HARD
9th ICSE
IMPORTANT

Give balanced chemical equations for the following conversions: 

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EASY
9th ICSE
IMPORTANT
A metal M is having valency 2. What is the formula of its Thiosulphate?
EASY
9th ICSE
IMPORTANT
A metal M is having valency 2. What is the formula of its Bicarbonate.
EASY
9th ICSE
IMPORTANT
A metal M is having valency 2. What is the formula of its Oxalate.
EASY
9th ICSE
IMPORTANT
A metal M is having valency 2. What is the formula of its Silicate.