melt at -47.5°C. melt at -95°C. boil at 95°C. boil at 47.5°C.
If 1 kg of the compound toluene melts at -95°C, then 500 g of toluene will

Options:
- melt at -47.5°C.
- melt at -95°C.
- boil at 95°C.
- boil at 47.5°C.

melt at -95°C.