Question

Write any 5 changes which can be irreversible and also chemical at the same time. Do it in a tabular format.

Answer 1

Answer:

is this contains any answer

Explanation:

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Answer 2

Any 5 changes which can be irreversible and also chemical at the same time are written below:

1. Burning of wood-

• When wood is burned, ash and smoke are obtained which cannot combine again to give the wood.
• Hence, this is an example of a chemical irreversible change.

2. Iron rusting-

• When iron is kept in the environment, it reacts with moisture and forms iron oxide.
• From that, we cannot obtain iron again.
• Thus, it is an irreversible chemical change.

3. Formation of curd-

• When milk is turned sour, then the curd is formed.
• Curd cannot give back milk, thus it is an example of chemical irreversible change.

4. Dying out of primary battery-

• When one electrode is completely consumed, a non-rechargeable battery would not be of use anymore.
• This is an example of chemical irreversible change.

5. Most of the metabolic reactions that take place in our body-

• There are many metabolic reactions in our body which cannot be reversed.
• They will also fall under this category.