Is making cheese a physical or chemical change?

Answer 1

Grating cheese is a physical change because the cheese is not changing its identity; just its state- from solid cheese to small shavings.

Answer 2

No, a physical change is changing the state of the object. When you mix the cheeses up your not changing the state, its just a lump. But if you melted the cheese, you changed the state of the cheese from a solid to a liquid, changing the physical properties of the cheese. A chemical change is completely altering the object. Such as if you burn a piece of paper into ash. That is a chemical change cause you have now completely changed the object to where it cannot be reversed. Physical changes can be reversed. Such as if you melt cheese it will still be cheese. you can cool it back to its original state.

Answer 3

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Answer 4

I presume you mean digesting. Digestion is a chemical change, because new substances are produced, e.g.

protein plus water makes amino acids.

(The enzymes involved are just catalysts).

Answer 5

Yes, the cutting of cheese is considered as a physical change because the substance is still the same (cut cheese and it is still cheese).

Answer 6

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Answer 7

no it's a chemical change.

Answer 8

a chemical reaction