Physical and Chemical Changes

Insulator does not conduct electricity.
What is the physical state of water at $$30^{\circ} C$$?
The solubility of gases in water ________ with the rise in temperature.
The boiling point of water on the Kelvin scale is:
Convert the following temperatures to the Kelvin scale.
$$(a)$$ $$25^{\circ}C$$
$$(b)$$ $$373^{\circ}C$$