Match the column
Column-I | Column-I |
(i) Final temperature is 2.5ºC | [A] 10 gm water at 30º is mixed with 10 gm of water at 70ºC |
(ii) Final mixture contain ice & water | [B] 10 gm of ice at 0ºC is mixed with 10 gm of water at 85ºC |
(iii) Final mixture contains water & steam | [C] 10 gm of ice at 0ºC is mixed with 10 gm of water at 50ºC |
(iv) Final temperature is 50ºC | [D] 10 gm of ice at 0ºC is mixed with 10 gm of steam at 100ºC |
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
Ans.
(i) [B]
(ii) [C]
(iii) [D]
(iv) [A]
Sol.
(i) 10 × 80 + 10 × 1 × ( θ – 0) = 10 × 1 × (85 – θ )
⇒ 2 θ = 5ºC ⇒ θ = 2.5º C → a(ii) θ < 80ºC, so ice will not melt completely → b
(iii) m s > 
, so steam will not condence completely → c
(iv) 10 × 1( θ – 30) = 10 × 1 (70 – θ ) ⇒ 50ºC → d
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