F4-Quiz-4 (17/Sept/2021)

Which of the following salts is soluble in water?

I. Magnesium nitrate

II. Lead(II) sulphate

III. Ammonium carbonate

IV. Copper(II) chloride

• A. I and III

• B. I, II and III

• C. I, III and IV

• D. I, II, III and IV

‘Barium meal’ is a barium sulphate salt which is given to a patient that suffer stomach ache.

Which substances cannot be used to produce this salt?

• A. Barium chloride and sodium sulphate

• B. Barium hydroxide and potassium sulphate

• C. Barium carbonate and sodium sulphate

• D. Barium nitrate and potassium sulphate

Diagram shows the apparatus set-up for the preparation of a salt.

Which salt is prepared through this method?

• A. Zinc sulphate

• B. Sodium sulphate

• C. Magnesium nitrate

• D. Aluminium nitrate

Which of the following salts is suitable to be prepared using the double decomposition method?

• A. Silver chloride

• B. Sodium chloride

• C. Barium chloride

• D. Lead(II) nitrate

The copper(II) chloride salt can be prepared by reacting dilute hydrochloric acid with excess

I. copper metal

II. copper(II) carbonate

III. copper(II) hydroxide

IV. copper(II) nitrate

• A. II and III

• B. I, II and III

• C. II, III and IV

• D. I, II, III and IV

Suhailah received a letter from her best friend, Aisyah.

The letter is white in colour without any Aisyah writing on it.

There is a note enclosed as a guide.

What is the solution?

• A. Zinc nitrate

• B. Barium nitrate

• C. Lead(II) nitrate

• D. Magnesium nitrate

Diagram shows two chemical reactions.

What is X?

• A. Tin

• B. Lead

• C. Silver

• D. Copper

During the preparation of a soluble salt, a student accidentally heated a salt solution until it dried up.

What is the consequence of his action?

• A. The salt would have dehydrated

• B. The salt would be reduced to ashes

• C. The salt would be contaminated

• D. The salt would have decomposed