A vessel at `-5^@C` contains 100 gm ice at `-5^@C`. The vessel has water equivalent of 40gm. List-I gives quantity and temperature of substance added. List-2 gives final temperature and composition of mixture. Match the column. `{:("List I",,"List II"),("P. 10gm water at " 30^@C,,"1. Temperature "gt 0^@C),("Q. 4gm water at " 10^@C,,"2. Temperature " =0^@C, "Ice partly melts"),("R. 1gm steam at "100^@C",,"3. Temperature " lt 0^@C),("S. 20gm steam at " 100^@C,,"4. Added water freezes partly. Temperature " =0^@C):}`A. P-4,Q-3,R-2,S-1B. P-1,Q-2,R-3,S-4C. P-4,Q-2,R-1,S-3D. P-4,Q-3,R-1,S-2

A vessel at `-5^@C` contains 100 gm ice at `-5^@C`. The vessel has wat

1.	A vessel at `-5^@C` contains 100 gm ice at `-5^@C`. The vessel has water equivalent of 40gm. List-I gives quantity and temperature of substance added. List-2 gives final temperature and composition of mixture. Match the column. `{:("List I",,"List II"),("P. 10gm water at " 30^@C,,"1. Temperature "gt 0^@C),("Q. 4gm water at " 10^@C,,"2. Temperature " =0^@C, "Ice partly melts"),("R. 1gm steam at "100^@C",,"3. Temperature " lt 0^@C),("S. 20gm steam at " 100^@C,,"4. Added water freezes partly. Temperature " =0^@C):}`A. P-4,Q-3,R-2,S-1B. P-1,Q-2,R-3,S-4C. P-4,Q-2,R-1,S-3D. P-4,Q-3,R-1,S-2
Answer» Correct Answer - A `20xx540+20xx1xx(100-0)=12800` `Q_(reqd)=40xx1xx(0-(-5)+100xx1/2xx(0-(-5))+80xx100=8450` `rArr T gt 0^(@)C`

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