Subjective Type

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

Solution

No, we cannot get fresh drawing sheet once a picture is drawn on it with paint$$/$$ oil or water. However, we can reverse the change, if soft pencil is used to draw the picture.

SIMILAR QUESTIONS

Physical and Chemical Changes

A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?

Physical and Chemical Changes

Can you say deforestation is an irreversible or reversible change?

Physical and Chemical Changes

Some common changes are given in 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 dry clothes (iv) Woolen yarn to knitted sweater (v) Grain to its flour (vi) Cold milk to hot milk (vii) Straight string to a coiled 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

Physical and Chemical Changes

How does curd made? Is this change reversible?

Physical and Chemical Changes

Melting of ice is a

Physical and Chemical Changes

Rolling of chapati and baking of chapati are the changes that

Physical and Chemical Changes

Burning of paper and formation of curd are reversible changes.

Physical and Chemical Changes

Give reasons: Dissolving salt in water is a reversible change.

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