Seudónimo Seudónimo

02-12-2020
Advanced Placement (AP)

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PLZ HELP IT IS SCIENCE
when sodium hydroxide dissolves in water is it A. physical change or B. chemical change

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lelassabin lelassabin

02-12-2020

Answer:b

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

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retr0astr4 retr0astr4

10-12-2020

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

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