◈ Oracle PrepSign Up Free
O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2014 · Q311 Mark

A powdered mixture of metals contains aluminium, calcium, silver and iron. Excess hydrochloric acid is added until no more mixture dissolves. What is the undissolved residue?

Aaluminium
Bcalcium
Ciron
Dsilver

✓ Correct answer

D: silver

Practise more questions on this topic

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

Sign up free →

About this question

Topic
Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2014 Paper 1 Variant 1, question 31.

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

Related Chemistry questions

Metals & ReactivityMay/June 20111m

Which pair of properties are both correct for a typical transition element?

Metals & ReactivityMay/June 20111m

What happens when zinc foil is placed in an aqueous solution of copper(II) sulfate?

Metals & ReactivityMay/June 20111m

In the apparatus shown, gas P is passed over solid Q. No reaction occurs if P and Q are

Acids, Bases & SaltsMay/June 20111m

Which acid and base react together to produce an insoluble salt?

Acids, Bases & SaltsMay/June 20111m

A solution of fertiliser was tested as shown. Which ions must be present in the fertiliser?

Bonding & StructureMay/June 20111m

Carbon and silicon are both in Group IV of the Periodic Table. Which statement is correct for both carbon dioxide and…

← Browse all past-paper questions

© 2026 Oracle Prep