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Food Preservation

Cooking of fo...

Question

Cooking of food is a __________ change.

A

reversible

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B

irreversible

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C

temporary

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D

natural

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Solution

The correct option is B irreversible

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Similar questions

Q. Fill in the blanks to say whether the following changes are 'reversible' or irreversible':
1. A change which cannot be reversed is called ............................... .
2. Setting of cement is an example of a ............................... change.
3. Absorption of water by a sponge is an example of a ............................... change.
4. Cooking of food represents ............................... change.
5. Digestion of food is a ............................... change.

Cooking of rice is a chemical change.

Q. A potato remains a potato even after it is cooked. Therefore, cooking is a physical change. Do you agree? Give reasons.

Q. Which of the following are chemical changes?

(a)

Growth of a plant

(b)

Rusting of Iron

(c)

Mixing of iron fillings and sand

(d)

Cooking of food

(e)

Digestion of food

(f)

Freezing of water

(g)

Burning of a candle.

Q. Question 11
Which of the following are chemical changes?
a. Growth of a plant
b. Rusting of iron
c. Mixing of iron filings and sand
d. Cooking of food
e. Digestion of food
f. Freezing of water
g. Burning of a candle

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