WASSCE Readiness Assessment

Hello and Welcome to WASSCE Readiness Assessment – Chemistry

You are to attempt 50 Objectives Questions ONLY
Time allowed is 35 minutes.
Aim to Score 70% and Above
Questions attempted with Answers and Explanations will be displayed on screen immediately after submission.
Supply Your Full Name in the text boxes below.
Click the Next button to Begin

Name

1.

The oxidation state of manganese in potassium permanganate is _____

A. +7 B. +5 C. +3 D. +2

A B C D

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2.

Commercial bleaching can be carried out using ______

A. sulphur(IV) oxide and ammonia
B. hydrogen suiphide and chiorine
C. chlorine and sulphur(IV) oxide
D. ammonia and chlorine.

A B C D

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3.

A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y.

A. 128. B. 8. C. 16. D. 64.

A B C D

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WASSCE Readiness Assessment – Chemistry (Questions with Answers and Explanations)

Published by ASSURE on June 10, 2026

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