Group the following as reversible and irreversible changes:
1. Baking of potato
2. Making ice-cubes
3. Frying egg
4. Bursting balloon

Irreversible change 1, 2, 3

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Irreversible change 1, 3, 4

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Reversible change 1, 2, 3

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Reversible change 1, 3, 4

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Solution

The correct option is B
Irreversible change 1, 3, 4

Examples 1, 3, and 4 are irreversible changes as a new substance is formed in each of the case.

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Similar questions

Q. Identify the following as reversible or irreversible changes, with reasons:
i) mixing iron filings and sand
ii) shattering of glass
iii) melting of ice

Question 3.

Which of the following changes are Reversible and Irreversible?

(a) Blowing of a balloon

(b) Folding a paper to make a toy aeroplane

(c) Rolling a ball of dough to make roti

(d) Baking cake in an oven

(e) Drying a wet cloth

(f) Making biogas from cow dung

(g) Burning of a candle

Q. Write True (T) or False (F) against the following statements in the given brackets:
1. Digestion of food is a Q irreversible change. ( )
2. Rusting of iron is a reversible change. ( )
3. Melting of wax is a reversible change. ( )
4. Curding of milk is an irreversible change. ( )
5. Melting of ice cream is a reversible change. ( )

Classify these changes into reversible and irreversible. [5 MARKS]

$\begin{matrix} S.No & Changes 1 & Dissolving salt in water 2 & Melting ice cubes 3 & Release of steam from pressure cooker 4 & Ripening of fruits 5 & Freezing orange juice by cooling \end{matrix}$

Q. Fill in the blanks with the correct words.
1. Melting of ice-cream is an example of a/an .................... (reversible/irreversible) change.
2. Ripening of fruits is an example of a/an .................... (reversible/irreversible) change.
3. Cooking of foood is an example of a/an .................... (reversible/irreversible) change.
4. Breaking of glass is a .................... (physical/chemical) change.
5. .................... (Heating/Cooling) causes steam to change into water.

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Group the following as reversible and irreversible changes: 1. Baking of potato 2. Making ice-cubes 3. Frying egg 4. Bursting balloon

The correct option is B Irreversible change 1, 3, 4 Examples 1, 3, and 4 are irreversible changes as a new substance is formed in each of the case.

Group the following as reversible and irreversible changes:
1. Baking of potato
2. Making ice-cubes
3. Frying egg
4. Bursting balloon

The correct option is B
Irreversible change 1, 3, 4

Examples 1, 3, and 4 are irreversible changes as a new substance is formed in each of the case.