O-LevelChemistryAcids, Bases & Salts5070/11 · Oct/Nov 2010 · Q161 Mark

In which reaction is nitric acid acting as an oxidising agent?

ACu + 4HNO3 → Cu(NO3)2 + 2H2O + 2NO2

BCuO + 2HNO3 → Cu(NO3)2 + H2O

CNa2CO3 + 2HNO3 → 2NaNO3 + H2O + CO2

DNaOH + HNO3 → NaNO3 + H2O

✓ Correct answer

A: Cu + 4HNO3 → Cu(NO3)2 + 2H2O + 2NO2

Oracle Prep sorts past-paper questions by topic, so you can drill Acids, Bases & Salts and see which topics are most likely to come up next.

Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2010 Paper 1 Variant 1, question 16.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Which calcium compound does not increase the pH of acidic soils?

The addition of dilute acid to a solution containing the anion Q and the subsequent use of limewater can be used to i…

Which ion reacts with aqueous ammonia to give a precipitate that dissolves in an excess of ammonia?

In which parts of a motor car do the reactions, shown in the equations, take place?

The diagrams show four monomers. How many of these monomers would react with the molecule below to form a polymer?

For which molecules are the empirical and molecular formulae the same? 1. methanoic acid, HCO2H 2. ethanoic acid, CH3…