Question

Melting point of ice is _____.

• A. 373 K
• B. 273 K
• C. 0 K
• D. 100 K

Answer 1

The correct option is B 273 K

The process of changing solid to liquid is known as melting.
The temperature at which a solid melts at 1 atmospheric pressure is known as melting point.
Melting point of ice is $0{}^0$C.
The relation between Celsius (${}^0$C) and Kelvin (K) scale is as follows-
Kelvin = ( ${}^0$Celcius) + 273
Therefore, melting point of ice on kelvin scale = 0 + 273 = 273 K.