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Changes Around Us

Irreversible Changes

Last Updated on October 23, 2020 By Mrs Shilpi Nagpal 4 Comments

Question 1 What are irreversible changes? Question 2 Give few examples of irreversible changes? Question 3 Milk can be changed into curd but curd cannot be changed back into milk.What is the name of the change? Question 4 Burning of paper is an irreversible change. Explain ? Question 5 When water is mixed with POP and allowed to dry, it sets into a hard mass.Explain … [Read more...] about Irreversible Changes

Reversible Changes

Last Updated on October 23, 2020 By Mrs Shilpi Nagpal 3 Comments

Wheel

Question 1 Give few examples of changes which are observed in our everyday life? Question 2 What is meant by reversible change? Explain with example? Question 3 State some of the ways of bringing about changes in materials around us? Question 4 Explain how iron blade of a spade is fixed to a wooden handle? Question 5 Give example of a beneficial change? Question … [Read more...] about Reversible Changes

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