38. Classify each property as physical or chemical. (a) the boiling point of ethyl alcohol
(b) the temperature at which dry ice sublimes (turns from
a solid into a gas)
(c) the flammability of ethyl alcohol
(d) the smell of perfume

Explanation:

A physical property is a property of a matter that can be observed without changing the chemical identity of the matter.

A chemical property is one that may be observed when it undergoes a chemical change or reaction.

(a) the boiling point of ethyl alcohol - Physical Property

(b) the temperature at which dry ice sublimes (turns from  a solid into a gas) - Physical Property

(c) the flammability of ethyl alcohol - Chemical Property

(d) the smell of perfume - Physical Property

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?

gas

explanation:

smoke is the matter of a gas