Is a nail rusting reversible or irreversible?

After viewing, ask: "Is rusting a reversible or an irreversible change?" (It is irreversible - the damaged metal cannot be returned to its former state.) Pupils could collect examples of rusted metal, such as nails, keys or cans, for a classroom display. They could photograph larger rusty items.

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Is ice reversible or irreversible?

when ice is heated the ice melts away and change its state. again if the ice is cooled it come back into ice state. so, ice is melting and turning back into ice again.it is a reversible process. Accordingly, what is an example of reversible? Melting, freezing, boiling, evaporating, condensing, dissolving and also, changing the shape of a substance are examples of reversible changes.

Is chocolate reversible or irreversible?

Melting chocolate is an irreversible change. Heating materials always causes reversible changes. An irreversible change is one that cannot be changed - back. What is reversible change give two examples Class 6? Answer: Reversible changes are those changes that can be reversed. Example: Melting of ice and freezing of water.

Regarding this, why is reversible work more than irreversible?

The reason why more work is done by the system in a reversible process than an irreversible process is entropy is generated within the gas in an irreversible process. Whenever entropy is generated within the system there is a lost opportunity for the system to perform useful work.