Can we reverse the following changes if yes suggest the name of the method a ice into water b curd into milk?

(d) No, Changing of curd into milk is a chemical change which involves the use of bacteria. The milk once made into curd, cannot be brought back in milk or liquid form.

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Is melting butter in a hot pan reversible or irreversible?

Thus, melting of butter is a reversible process. No change in the chemical composition occurs when it is melted. Thus, melting of butter is a physical process because the physical appearance of the butter changes, the change is visible to eyes, the change can be reversed and no chemical change occurs. Which of the following changes is generally the most difficult to reverse? Which changes is generally the most difficult to reverse? During a chemical reaction, energy is used up in order to break bonds and then energy is released when the new product is formed. Chemical changes are far more difficult to reverse than physical changes.

Subsequently, which one of the changes given below cannot be reversed *?

A change which cannot be reversed is called irreversible change. 2. Setting of cement is an example of a irreversible change. What changes irreversible? A change is called irreversible if it cannot be changed back again. In an irreversible change, new materials are always formed. Sometimes these new materials are useful to us.

Is physical change reversible or irreversible?

A change in which a substance undergoes a change in its physical properties is called a physical change. A physical change is generally reversible. In such a change no new substance is formed. What is the difference between reversible and irreversible? A reversible process is a change that can be retraced in a reverse (opposite) direction. An irreversible process is a change that cannot be retraced in a reverse (opposite) direction. The path of an irreversible process is not the same in the forward and the reverse direction.

You can also ask what is meant by irreversible change give its 5 examples?

Irreversible changes are permanent changes that cannot be undone. Cooking, baking, frying, burning, mixing, rusting, heating are examples of irreversible changes.