Question

how do liquids change to solids and gases. explain

Answer 1

Of they kept in refrigerator they became solids.By the process of freezing.Below 0 degrees celsius.(ice)

And if the liquids are heating then they will become gases.By the process of evaporation. Above 100 degrees celsius.

I hope it will help ful for u ☺.

Answer 2

hi there,
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liquids when heated with temperatures above 100°C they become gasses. i.e steam
whereas when liquids are brought to temperatures below 0°C they become solids i.e.ice 

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hope this aided u,
cheers