### Physical and Chemical Changes

goals
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.
$(a)$ $25^{\circ}C$
$(b)$ $373^{\circ}C$