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Heterogeneous Catalysis

Which of the ...

Question

Which of the following involves a chemical reaction?

(i) Rotting of fruits

(ii) Breaking egg

(iii) Burning of wood

(iv) Fireworks

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Solution

Correct answer is option 'D'.

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Similar questions

Q. (a) Give the main difference between physical changes and chemical changes.
(b) Which of the following are chemical changes and which physical ? Give reason.
(i) a glass bottle breaking
(ii) coal burning in air
(iii) making a cake
(iv) wool being knitted into a sweater

Q. Identify the chemical changes from the following.

(I)		Rotting of fruit
(II)		Melting of ice
(III)		Burning of wood
(IV)		Baking cookies

Q. Question 7
Which of the following are chemical changes?
(i) Decaying of wood
(ii) Burning of wood
(iii) Sawing of wood
(iv) Hammering of a nail into a piece of wood

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

Which of the following are examples of chemical reactions?

i. Burning of wood

ii. Cutting of wood

iii. Conversion of steam to water

iv. Rusting of almirah

Which of the following are examples of chemical reactions?

i. Burning wood

ii. Cutting wood

iii. Conversion of steam to water

iv. Rusting of almirah

v. Dissolving common salt in water

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