All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 34

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IMPORTANT

Earn 100

What is the chemical formula of ammonium phosphate?

Important Questions on The Language of Chemistry

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9th ICSE

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 35

What is the molecular formula of aluminium hydroxide?

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 36

What are the correct formulae of sodium sulphide and sodium sulphite :

N a S, N a_{2} S O_{4}

o r N a_{2} S, N a_{2} S O_{3}

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 37

If an element X has its valency equal to

3

, what will be its formula with carbonate ion?

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 38

What do you mean by chemical equation?

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9th ICSE

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 39

Write an example of one reactant and two products.

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 40

An aqueous solution of ferrous sulphate reacts with an aqueous solution of sodium hydroxide to form a precipitate of ferrous hydroxide and an aqueous solution of sodium sulphate. Write down the above statement in the form of a chemical equation.

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All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 41

Why should an equation be balanced? Mention it by giving a simple chemical equation.

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 1 - The Language of Chemistry>EXAM PRACTICE>Q 42

Give difference between relative atomic mass and relative molecular mass.