Chemistry-First Law
NEET Chemistry First Law Match the Following Question
Type: Match the Following-match the column-Medium-Class 11
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) ∆U = q + w | (i) Conservation of energy |
| (b) Isolated system | (ii) Energy transfer is zero |
| (c) Positive ∆U | (iii) Energy is added to the system |
| (d) Negative ∆U | (iv) Energy is lost from the system |
A
a-i, b-ii, c-iii, d-iv
B
a-ii, b-i, c-iv, d-iii
C
a-i, b-i, c-iv, d-iii
D
a-iv, b-ii, c-iii, d-i
Correct Answer
Option A
Detailed Explanation
According to the first law of thermodynamics, ∆U = q + w represents the conservation of energy in an isolated system, where energy can be added to (positive ∆U) or lost from (negative ∆U) the system.
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