Question

These two questions pls in attachment.

Answer 1

Answer:

12. When a liquid is heated, it eventually reaches a temperature at which the vapor pressure is large enough that bubbles form inside the body of the liquid. This temperature is called the (boiling point).

melting point:- the temperature at which the solid melts to become a liquid.

evaporation:- The process at which the substance in the liquid state is changed to the gaseous state due to the increase in pressure or temperature is called evaporation.

13.

-temperature of the liquid. A cup of hot water will evaporate more quickly than a cup of cold water.

-exposed surface area of the liquid.

-presence or absence of other substances in the liquid.

-air movement.

-concentration of the evaporating substance in the air.