O-LevelChemistryAcids, Bases & Salts5070/12 · May/June 2023 · Q71 Mark

What is the equation for the reaction between sodium carbonate and dilute nitric acid?

ANaCO3 + H2NO3 → NaNO3 + H2O + CO2

BNaCO3 + 2HNO3 → NaNO3 + H2O + CO2

CNa2CO3 + H2NO3 → Na2NO3 + H2O + CO2

DNa2CO3 + 2HNO3 → 2NaNO3 + H2O + CO2

✓ Correct answer

D: Na2CO3 + 2HNO3 → 2NaNO3 + H2O + CO2

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2023 Paper 1 Variant 2, question 7.

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