Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Thermodynamics

In a closed insulated container, a liquid is stirred with a paddle to increase the temperature, then which of the following is true: 

1
ΔU = w ≠ 0, q = 0
2
w = 0, ΔU = q ≠ 0
3
ΔU = 0, w = q ≠ 0
4
More than one of the above
5
None of the above
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