◈ Oracle PrepSign Up Free
O-LevelChemistryMetals & Reactivity5070/11 · May/June 2021 · Q291 Mark

The properties of four substances are shown. Which substance is a metal?

AIt conducts electricity when dissolved in water but not when solid.
BIt has a high melting point and conducts heat when solid.
CIt has a low melting point and is brittle.
DIt has a giant covalent structure with a high melting point.

✓ Correct answer

B: It has a high melting point and conducts heat when solid.

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, May/June 2021 Paper 1 Variant 1, question 29.

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

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

Metals & ReactivityMay/June 20111m

Aluminium is higher than copper in the reactivity series so the following displacement reaction should be feasible. 2…

Metals & ReactivityMay/June 20121m

In which equation is the underlined element reduced?

Bonding & StructureMay/June 20101m

What correctly describes the molecules in very dilute sugar solution at room temperature?

Acids, Bases & SaltsMay/June 20101m

The diagram shows a simple laboratory apparatus for the preparation and collection of a dry gas. What is the gas?

Bonding & StructureMay/June 20101m

A mixture containing equal volumes of two liquids that mix completely but do not react together is placed in the appa…

← Browse all past-paper questions

© 2026 Oracle Prep