Latent Heat

Q. $2kg$ of ice melts when water at ${100}^{o}C$ is poured in a hole drilled in a block of ice. What mass of water was used?

1. $1.2kg$
2. $0.8kg$
3. $0.4kg$
4. $1.6kg$

Q. Icebergs sometimes reach equatorial regions in the sea. This happens due to what

1. Due to high specific latent heat capacity of water
2. Due to high specific latent heat capacity of ice
3. Due to high specific hidden heat capacity of ice
4. Due to high specific frozen heat capacity of ice