Give one example of change which occurs on mixing two substances, but cannot be reversed. - Science

Give one example of change which occurs on mixing two substances, but cannot be reversed.

One Line Answer

Mixing of cement and water is an irreversible change.

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Chapter 6: Changes Around Us - Long Answer Questions [Page 35]

Chapter 6 Changes Around Us
Long Answer Questions | Q 15. (e) | Page 35

Very Short Answer Type Question:
Give two examples of irreversible changes.

Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?

Chemical reactions are example for

Formation of curd from milk is

Burning of match stick is a reversible change.

Analogy

Curdling of milk : irreversible change :: Formation of clouds : ________change

Evaporation of water is a reversible change.

What are irreversible changes?

Can we reverse the following change? If yes, suggest the name of the method.

Water into water vapour

Give one example of change which occurs on heating but cannot be reversed.