3 years ago

PLZ HELP IT IS SCIENCE

Advanced Placement (AP)

2 answers:

shepuryov [24]3 years ago

8 0

Answer:

a physical change

Explanation:

it is the same as adding salt into water, it may have dissolved but, removing the water will isolate NaOH therefore it is a physical change, as its chemical structure is unchanged due to the presence of water

ExtremeBDS [4]3 years ago

4 0

Answer:b

Explanation: you can’t see the difference of it changing

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