150 Jkg-1K-1
300 Jkg-1K-1
320 Jkg-1K-1
1960 Jkg-1K-1
Correct answer is A
MC\(\theta\)metal = MC\(\theta _{water}\)
0.2 x C x 70 = 0.1 x 4200 x 5
C = 150
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