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.

shaalaa.com

Is there an error in this question or solution?

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.

Analogy

Dissolution of glucose : reversible change :: Digestion of food: ___________ change

A drawing sheet changes when you draw a picture on it. Can you reverse this change?

The burning of the paper is an irreversible change.

What are reversible changes?

What are irreversible changes?

Analogy:

Irreversible change: Making idly front batter.
Reversible change: ______.

The blackening of the Silver anklet is a (an) ______.

Rolling of chapati and baking of chapati are the changes that ______.

Give one example of change which occurs on cooling but can be reversed.