When M₁ gram of ice at -10°C (specific heat = 0.5 cal g-¹°C-¹) is added to M₂ gram of water at 50°C, finally no ice is left and the water is at 0°C. The value of latent heat of ice, in cal g is 50M, (a) - 5 (b) M₁ 50M, M₂ -50 (c) 50M, M₁ (d) 5M2-5 M₁
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