EASY
9th ICSE
IMPORTANT
Earn 100

The valency of metal 'M' is +3. Give the formula of its carbonate. (Note: Do not identify the element).

Important Questions on The Language of Chemistry

EASY
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 12
Give the chemical formula of magnesium chloride by a criss-cross method. 
MEDIUM
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 12
Write the chemical formula of aluminium sulphate by the criss-cross method.
MEDIUM
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 12
Write the chemical formula of potassium chloride by the criss-cross method.
EASY
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 12
Give the chemical formula of sodium fluoride with the criss-cross method.
EASY
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 13
Why do elements exhibit variable valency.
MEDIUM
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 14
Calculate the percentage of nitrogen and oxygen in ammonium nitrate. [Relative molecular mass of ammonium nitrate is 80, H=1, N=14, O=16 ].
EASY
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 15
Calculate the relative molecular mass of hydrated calcium chloride (CaCl2. 6H2O). 
EASY
9th ICSE
IMPORTANT
TOGETHER WITH CHEMISTRY>Chapter 1 - The Language of Chemistry>Self Evaluation Test>Q 15
Calculate the relative molecular mass of Fructose (C6H12O6).