Question

What is chemical weathering?

A.
When the chemical composition of the rock is changed into a new substance Example: reacts with water (hydrolysis) or oxygen (oxidation) or acids

B.
Bigger rocks being broken down into smaller pieces using physical means Frost wedging, exfoliation, abrasion, impact, roots from plants

Answers

GPT-4o mini
A. When the chemical composition of the rock is changed into a new substance Example: reacts with water (hydrolysis) or oxygen (oxidation) or acids.

Chemical weathering involves the alteration of the minerals within the rock, resulting in new minerals or soluble substances, whereas physical weathering refers to the mechanical breakdown of rocks into smaller pieces without changing their chemical composition.