Question

Question 9 of 20
Which of the following is an example of a chemical change?
O A. A solid dissolving in a liquid
B. A solid reacting with a gas to form a new solid
C. A mixture of a solid and a liquid famming
O D. A liquid evaporating into a gas

Answer 1

Answer:B

Explanation:

The solid and the gas are forming a brand new solid which is a chemical change

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Answer 2

A solid reacts with a gas to form a new solid.

Hence, option B is correct.

What is a chemical change?

A chemical change happens when one chemical substance is transformed into one or more different substances, such as when iron becomes rust. Chemical changes occur through the process of chemical reactions, and the resulting substances have different properties because their atoms and molecules are arranged differently.

A chemical change occurs when a substance's chemical identity changes. An example of this is rusting. When an iron nail comes into contact with water and air, it rusts, forming a brown-red substance. This process changes the chemical composition of the initial substance.

Hence, a solid reacts with a gas to form a new solid is a chemical change.

Learn more about chemical change here:

https://brainly.com/question/5108121

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