Unit 3 · Stoichiometry

Question Bank

Cambridge IGCSE Chemistry 0620 · 30 questions

Q3Stoichiometry

The formula of aluminium sulfate is

(a)AlSO₄

(b)Al₃(SO₄)₂

(c)Al₂(SO₄)₃

(d)Al₂SO₄

Correct answer: (c) Al₂(SO₄)₃

Explanation: Al³⁺ and SO₄²⁻.

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