Question

Chemical changes are the _______ changes.

Options:
Permanent and Irreversible
Permanent and reversible
Temporary and irreversible
Temporary and reversible

Answer 1

Answer:

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$temporary \: \: and \: \: reversible$

Answer 2

Answer:

Permanent and Irreversible

Explanation:

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Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. ... An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.

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