Question

Conversion of water to chemical change

Answer 1

Answer:

The evaporation of water is a physical change. When water evaporates, it changes from the liquid state to the gas state, but it is still water; it has not changed into any other substance. ... For example, hydrogen burning in air undergoes a chemical change in which it is converted to water.

Explanation:

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Answer 2

Answer:

Water can also undergo a chemical change. Water molecules can be broken down into hydrogen and oxygen molecules by a chemical reaction called electrolysis. When an electric current is passed through liquid water (H2O), it changes the water into two gases—hydrogen and oxygen.

Explanation:

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