Weathering

This involves the action of water on minerals.

• solution

• Hydration

• Hydrolysis

2. Some ................... have ability to absorb water and increase in size.

• solutions

• chemicals

• minerals

3. Anhydrate is hydrated to ................

• gypsum

• co2

• oxygen

3. ............. is able to dissolve certain minerals leach through the rocks.

• water

• rainwater

• soil

5. Which rocks does not get affected by solution?

• limestone

• rock salt

• gypsum

• basalt

6. Biological Weathering is also known as .................

• biotic weathering

• organic weathering

• botanical weatherinf

The ................. animals like rabbits, rats, and moles create tunnels within the weathered rock zone and soil.

• wild

• domestic

• burrowing

8. The decay of plant matter and formation of humus results in the creation of different acids like .............

• humic acid

• acid rain

• hydrochloric acid

9. Activities like quarrying, mining and road cutting help in the weathering of rocks.

• true

• false

10.How would you rate today's class?

• excellent

• very good

• good

• average