Q4 M1: Weathering

Direction: Choose the letter of the correct answer.

1.It is the process of breaking the rocks into pieces, either by physical chemical or biological means.

a. weathering

b. soil

c. spliting

d. pounding

2. Which of the following types of weathering breaks rock into pieces by chemically reacting to the materials or solutions in its surrounding.

a. physical weathering

b. chemical weathering

c. biological weathering

d. weather and climate

3. In which process does oxygen reacts with iron in the minerals of the rocks which leads to chemical weathering?

a. carbonation

b. hyrolysis

c. hydration

d. oxidation

4. It is the process by which carbon dioxide in the air or soil reacts with water to form carbonic acid which chemically dissolves some of the minerals in the rock.

a. carbonation

b. oxidation

c. hydrolysis

d. hydration

5. Water chemically reacted with some minerals in the rock. What process brought about such chemical weathering in rocks?

a. hydration

b. hydrolysis

c. oxidation

d. carbonation

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