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

- lead + phosphoric acid = hydrogen + lead(ii) phosphate

answer; natural resources;