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fredd [130]
3 years ago
8

A carpenter sands a wooden board until it is smooth. Is this a physical or a chemical change?

Computers and Technology
2 answers:
exis [7]3 years ago
7 0

This is a physical change. Because he is not changing what it is just its outward appearance. hope this helped.
vivado [14]3 years ago
4 0

When a carpenter sands a wooden board until it is smooth this is a physical  change, because the chemical properties of the wood are not changed, only its appearance. It is still wood just a bit more smooth. This means that this change doesn't change what the substance (the wood)  is. A chemical change on the other hand is change in which a new substance is formed and energy is either given off or absorbed.

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