Is knitting of a sweater reversible or irreversible?

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Is woolen yarn to knitted sweater reversible?

In case of woolen yarn to a knitted sweater, the sweater can be changed into woolen by just taking out the tread so yes it is also a reversed change.

Wet clothes to dry clothes Yes
Woolen yarn to knitted sweater Yes
Grain to its flour No
Cold milk to hot milk Yes

Is knitting wool into a sweater and example of physical or chemical change?

Answer: In a physical change no new substance is formed . in this case when the wool is knitted into a sweater only the appearance is changed no new substance is formed . we can get back the wool from the sweater and thus it is a physical change .

Does boiling an egg cause a reversible or irreversible change?

Heating. Heating can cause an irreversible change. For example you heat a raw egg to cook it. The cooked egg cannot be changed back to a raw egg again.

What is the meaning of woolen yarn to knitted sweater?

Answer: Woollen yarn to knitted sweater is a reversible reaction. Explanation: If the reaction involved the conversion of reactants into products as well as products into reactants called reversible reaction.

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Can you reverse straight string to coiled string?

Answer: The ‘straight string’ to a ‘coiled string’ is reversible. Explanation: Coiling a straight string into a coiled one can be done but this process can be done only under a high pressure, then it becomes reversible.

What is the difference between changes that can or Cannot be reversed?

Melting of ice is a reversible change. A change which cannot be reversed to form the original substance (or substances) is called an irreversible change . … When ice cubes are kept at room temperature, they turn into water after some time. On the other hand, burning of a piece of paper is an irreversible change.

When a woolen yarn is needed to get a sweater The change can be classified as?

When a woolen yarn is knitted to get a sweater, the change can be classified as physical change.