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

One Line Answer

Baking chapati 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. (b) | Page 35

Short Answer Type Question:
What is a chemical change? Explain with example.

Circle the odd one.

Give examples to explain the difference between changes that can or cannot be reversed.

Dissolving sugar in water is a ______ change.

Water on ______ changes to ice and on ______ comes back to water.

Differences between

reversible and irreversible changes are:

An iron ring is heated. Which of the following statement about it is incorrect?

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

Look at the figure which shows three situations.

Which of these shows a reversible change and why?

Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?