Waec 2022 Chemistry Question 3

Practice practical question 3 from the 2022 Waec Chemistry examination. This question covers General .

Waec 2022 Chemistry Practical

Topic: General

Question 3 WAEC • 2022 • CHEMISTRY • practical

( a )

Describe one chemical test to distinguish between carbon (IV) oxide and sulphur (IV) oxide.

( b )

(i) State the laboratory method of collection of each of the following gases: (1) H₂; (II) NH₃; (III) HCl.

( b )

(ii) Give a reason for each of the answers stated in 3(b)(i).

( c )

State the method used in separating each of the following mixtures: i. two miscible liquids; ii. soluble salt and insoluble salt.

( d )

Explain briefly why a solution of KCl does not give off a gas when mixed with NaHCO₃ solution, but a solution of AlCl₃ does.

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This is Waec 2022 Chemistry Question 3. It is one of the practical questions from the 2022 Waec Chemistry examination.

The question covers General .

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