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Q1:

Based on the reactions, ascertain the valid algebraic relationship:
$(i)$ $C (g)$ $+ 4 H$ $(g)$ $\to C H_{4} (g);$
$∆ H_{r}$ $= x$ $k J$ $m o l^{- 1}$
$(i i)$ $C (g r a p h i t e)$ $+$ $2 H_{2}$ $(g)$ $\to$ $C H_{4};$
$∆ H_{r}$ $=$ $y$ $k J$ $m o l^{- 1}$

1.	x = y	2.	x = 2y
3.	x > y	4.	x < y

Subtopic: Enthalpy & Internal energy |

Level 3: 35%-60%

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Q2:

Given below are two statements:

Assertion (A):	The heat absorbed during the isothermal expansion of an ideal gas against a vacuum is zero.
Reason (R):	The volume occupied by the molecules of an ideal gas is zero.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Enthalpy & Internal energy |

Level 3: 35%-60%

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