Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 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
∆U = w ≠ 0, q = 0 
2
w = 0, ∆U = q ≠ 0 
3
∆U = 0, w = q ≠ 0 
4
More than one of the above
5
None of the above
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