30 gms of water at 30^@Cis in a beaker. Which of the following, when added to water, will have greatest cooling effect? (Specific heat of copper = 0.1 "cal/gm"^@C )

30 gms of water at 30^@Cis in a beaker. Which of the following, when a

1.	30 gms of water at 30^@Cis in a beaker. Which of the following, when added to water, will have greatest cooling effect? (Specific heat of copper = 0.1 "cal/gm"^@C )
Answer» 100 gms of WATER at `10^@C` 15 gms of water at `0^@C` 3 gms of iceat `0^@C` 18 gms of copperat `0^@C` ANSWER :A