In which of the following processes, the total energy of the products formed will be greater than the reactants?
i. Photosynthesis
ii. Boiling of water
iii. Respiration
iv. Rusting of iron

i and ii

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i, ii and iv

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i, iii and iv

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ii and iv

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Solution

The correct option is A i and ii

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Similar questions

	Photosynthesis	Respiration
Raw materials	Water and $C O_{2}$	Glucose and oxygen
Products	Glucose and oxygen	Water and $C O_{2}$
Purpose	Store energy	Release energy

Given in the box is the comparison of photosynthesis and respiration. The process of photosynthesis and respiration can be thought of as a cycle because of which of the following?

In which of the following processes do the change in the states of matter involve the absorption of energy?
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Q. Question 6
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal

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

Q. Which of the following statements are true about respiration?

(i) In plants, respiration happens during the night time only, while photosynthesis happens during the day.

(ii) In humans, the exchange of gases takes place in the alveoli.

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[0.8 Mark]

Q. Which of the following are exothermic processes?
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In which of the following processes, the total energy of the products formed will be greater than the reactants? i. Photosynthesis ii. Boiling of water iii. Respiration iv. Rusting of iron

The correct option is A i and ii

In which of the following processes, the total energy of the products formed will be greater than the reactants?
i. Photosynthesis
ii. Boiling of water
iii. Respiration
iv. Rusting of iron