Science F3 - Chapter 4 Reactivity of Metals

1. Which of the following statements is true about minerals?

• A. Minerals are substances that consist of one or more particles.

• B. Minerals in earth crusts formed naturally.

• C. Non-reactive minerals are usually found in the form of compounds.

• D. Compound minerals contain only only one type of element only.

2. Which of the following is a natural compound?

• A. Gold

• B. Silver

• C. Quartz

• D. Magnesiun

3. Diagram 1 shows an experiment to study the reactivity of metals with oxygen. What is the function of X?

• A. To supply heat to the metal

• B. To activate the metal

• C. To supply oxygen

• D. To react with the metal

4. Table 1 shows the results of heating metals K, L and M in the presence of oxygen. Based on the results in Table 1, arrange the reactivity of metals from the most reactive to the least reactive towards oxygen.

• A. K, L, M

• B. M, L, K

• C. K, M, L

• D. M, K, L

5. Which of the following metals can be extracted from hematite?

• A. Aluminium

• B. Lead

• C. Tin

• D. Iron

6. The equation above shows the effect of heat on calcium carbonate.What is P?

• A. Calcium

• B. Calcium oxide

• C. Calcium hydroxide

• D. Calcium bicarbonate

7. Diagram 1.1 shows an experiment carried out to study the reaction between zinc and hydrochloric acid.

(a) (i) Name gas X which is produced in this experiment.

7(a) (ii) How do you test the gas produced in the experiment above?

8 (a) Based on Diagram 1.2, what is the relationship between the volume of gas collected and the reaction time in the first 6 minutes?

8 (b) Based on Diagram 1.2, what can be concluded about metal T?