EASY
9th ICSE
IMPORTANT
Earn 100

Give the valency and formula for Aluminate.

Important Questions on Practice Paper

EASY
9th ICSE
IMPORTANT
Give the valency and chemical formula for Sulphate.
EASY
9th ICSE
IMPORTANT
Give the valency and chemical formula for Thiosulphate.
EASY
9th ICSE
IMPORTANT
Give the valency and chemical formula for Peroxide.
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?