Page 150 - Chemistry_Form_2

Chemistry
for Secondary Schools

3. What name is given to the process of dissolving sodium chloride in water?
(a) Precipitation process
(b) Neutralisation reaction
(c) Hydration process
(d) Dissolution process
FOR ONLINE READING ONLY
4. Which of the following salts is soluble in water?
(a) Calcium carbonate
(b) Copper carbonate
(c) Magnesium carbonate
(d) Sodium carbonate
5. Which of the following substances is produced when calcium carbonate is
strongly heated?
(a) Metal oxide and gas
(b) Metal oxide and smoke
(c) High heat and gas
(d) A bicarbonate and gas

6. Which of the following salts decomposes to its own metal?
(a) Sodium chloride
(b) Potassium carbonate
(c) Zinc sulfate
(d) Silver nitrate

7. Match the premises on properties and uses of acids and bases in Column A
with their correct responses in Column B.

Column A Column B

(i) The reaction of hydrogen ions A. Weak acid
with hydroxide ions B. Alkali
(ii) Ion responsible for acidic C. Ant-pain
properties of substances
D. Hydrogen ion
(iii) Alleviates excess stomach acidity
E. Antacid
(iv) Instrument commonly used to F. Titration
measure the acidity or alkalinity
of a solution G. Acid

(v) Produces hydroxide ions when H. Neutralisation
dissolved in water I. pH meter

Student’s Book Form Two 143

01/08/2025 11:21:11
CHEMISTRY FORM TWO NEW 2025 DUMMY.indd 143 01/08/2025 11:21:11
CHEMISTRY FORM TWO NEW 2025 DUMMY.indd 143