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Q.

(A) : Volume to temperature ratio is constant for a fixed amount of gas at constant pressure.

(R) : At constant pressure the volume of a given mass of a gas increases or decreases by 1/273 times of its volume at 0oC, for every 1oC change in temp.

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a

Both A and R are correct, and R is the correct explanation of A.

b

Both A and R are correct, and R is not the correct explanation of A

c

A is true but R is false.

d

A is false but R is true.

answer is A.

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Detailed Solution

Given data: Volume to temperature ratio is constant for a fixed amount of gas at constant pressure.

Concept used: Charle’s law

Detailed solution: From Charle’s law: Volume is proportional to temperature  for a fixed amount of gas at constant pressure.

So, assertion is correct.

T1 = 0o C = 273 K

⇒ V2V1=T2T1

⇒ V2V1=T2×1273

Thus, the Reason is correct.

Hence, option (A) is correct.

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