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.

CHANGE CAN BE REVERSED (YES or NO)
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.