Rocks: Types, Weathering of Rocks and Ores
Rocks: Types, Weathering of Rocks and Ores: Overview
In this topic, we will learn the classification of rocks based on their method of formation. It briefs on sedimentary, igneous and metamorphic rocks along with examples. We will also learn about weathering and the agents of rock weathering.
Important Questions on Rocks: Types, Weathering of Rocks and Ores
List the various uses of rocks.

Give one advantage of biological weathering.

Lichen contribute to biological weathering of rocks.

Tree roots are one of the causes of biological weathering.

Which of these is an example of biological weathering?

What is meant by biological weathering of rocks?

Rusting is a process of

Chemical weathering is reversible.

Which is the most important agent of hydrolysis process of chemical weathering?

Write about the process of carbonation involved in chemical weathering.

What is meant by chemical weathering of rocks?

What are the ways in which water causes weathering of rocks?

Pearl is a semi precious stone.

Freezing water causes rock cracks to contract.

Root weathering is an example of

Choose the precious stone.

What is physical weathering of rocks?

List a few minerals obtained from rocks.

What are the three types of ore genesis?

Ores are usually obtained from mines.
