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

Question

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

Ice into water

One Line Answer

Solution

Yes, water can be converted to ice by freezing.

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Classification of Change: Reversible and Irreversible Changes

Is there an error in this question or solution?

Q 11. (c)Q 11. (b)Q 11. (d)

Chapter 6: Changes Around Us - Short Answer Questions [Page 34]

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NCERT Exemplar Science Exemplar [English] Class 6

Chapter 6 Changes Around Us
Short Answer Questions | Q 11. (c) | Page 34

RELATED QUESTIONS

Very Short Answer Type Question:
Some common changes are given in the below Table. Which of these changes do you think can be reversed?

Change	Can be reversed
(i) Raw egg to boiled egg	Yes/No
(ii) Batter to idli
(iii) Wet clothes to dirty clothes
(iv) Woollen yarn to knitted sweater
(v) Grain to its flour
(vi) Cold milk to hot milk
(vii) straight string to a cold string
(viii) Bud to flower
(ix) Milk to paneer
(x) Cow dung to biogas
(xi) stretched rubber band to its normal size
(xii) Melting of ice-cream

Short Answer Type Question:
What happens when sugar is heated?

Choose the odd one out. Give reason for your choice.

Inflating a balloon, popping a balloon, fading of wall paint, burning of kerosene

When a candle is lit the following changes are observed.

Wax melts.
Candle keeps burning.
The size of the candle decreases.
The molten wax solidifies
Which of the changes can be reversed? Justify your answer

Which is reversible change?

Look at the figure which shows three situations.

Which of these shows a reversible change and why?

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

Water vapour into water

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

lt was Paheli’s birthday, her brother Simba was helping her to decorate the house for the birthday party and their parents were also busy making other arrangements. Following were the activities going on at Paheli’s home:

Simba blew balloons and put them on the wall.
Some of the balloons got burst.
Paheli cut colourful strips of paper and put them on the wall with the help of tape.
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Her father made dough balls.
Mother rolled the dough balls to make puries.
Mother heated oil in a pan.
Father fried the puries in hot oil.

Identify the activities at Paheli’s home as those that can be reversed and those which cannot be reversed.

Circle the odd one out. Give reason for your choice.