Same chapter3 marksDifficulty: Medium
State three pieces of information that a balanced chemical equation gives, and two that it does not.
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3 marksDifficulty: Medium
Balance the equation: Al + H2SO4 → Al2(SO4)3 + H2
Original Khojo Papers practice question — not from a past board paper.
Answer
2Al + 3H2SO4 → Al2(SO4)3 + 3H2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Two aluminium atoms are needed to match the formula of the sulphate, which requires three sulphate groups and therefore three molecules of acid, releasing three molecules of hydrogen.
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