◈ Oracle Prep Sign Up Free

O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2025 · Q61 Mark

What is a property of diamond?

AIt can be used as a lubricant.

BIt has a melting point below 200 °C.

CIt has good electrical conductivity.

DIt is extremely hard.

✓ Correct answer

D: It is extremely hard.

Practise more questions on this topic

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

Sign up free →

About this question

Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 1, question 6.

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

Bonding & StructureMay/June 20111m

In which of the following is there a lattice of positive ions in a 'sea of electrons'?

Bonding & StructureMay/June 20111m

Element X has the electronic structure 2,8,5. Element Y has the electronic structure 2,8,7. What is the likely formul…

Bonding & StructureMay/June 20111m

A covalent bond is formed by

Atomic StructureMay/June 20111m

Which statement about both chlorine atoms and chloride ions is correct?

StoichiometryMay/June 20111m

The equation for the reaction between calcium carbonate and hydrochloric acid is shown. CaCO3(s) + 2HCl(aq) → CaCl2(a…

StoichiometryMay/June 20111m

The empirical formula of a liquid compound is C2H4O. To find the empirical formula, it is necessary to know the

← Browse all past-paper questions