Which of the following is a chemical change? A. a solution of salt water being diluted as water is added to it B. soil drying as

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Which of the following is a chemical change? A. a solution of salt water being diluted as water is added to it B. soil drying as

water evaporates C. a rock eroding as the wind removes particles from it D. silver tarnishing as the silver metal reacts with sulfur

Chemistry

2 answers:

Kobotan [32] · Answer 1 · 2022-07-27T11:11:45+03:00

A chemical change occurs when the identity of a substance is changed. Silver tarnishing is a chemical change because silver and sulfur react to form a new substance, silver sulfide. In the other examples, the substances have not changed their identity and only physical changes have occurred. the correct answer is D

algol [13] · Answer 2 · 2022-07-27T12:56:49+03:00

Answer:

A chemical change occurs when the identity of a substance is changed. Silver tarnishing is a chemical change because silver and sulfur react to form a new substance, silver sulfide. In the other examples, the substances have not changed their identity and only physical changes have occurred. the correct answer is B

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