Question

which of the following are physical change​

Answer 1

Answer:

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Answer 2

Answer:

THIS ANSWER MAY HELP YOU

Explanation:

1. A physical change is reversible, a chemical change is not. For example, the freezing of water would be a physical change because it can be reversed, whereas the burning of wood is a chemical change, you can't 'unburn' it

2. A physical change is a change in which no new substance is formed; a chemical change results in the formation of one or more new substances. Again, consider the previous examples: Freezing water into ice just results in water molecules which are 'stuck' together, it's still $$H_2O$$. Whereas burning wood results in ash, carbon dioxide etc.

So, solubility just changes phase and it is a physical change.