1 gm steam at 100° can melt how much ice at 0°C
1 gm steam at 100° can melt how much ice at 0°C
A) 80/540 gm
B) 540/80 gm
C) 8 gm
D) 8 kg
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The correct option is (D) 8 kg
Suppose m gm ice melted, then heat required for its melting = mL = m × 80 cal.
Heat available with steam for being condensed and then brought to 0∘C.
= 1 × 540 + 1 × 1 × (100 − 0) = 640 cal
⇒ heat lost = heat taken
⇒ 640 = m × 80
⇒ m = 8 gm.
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