Use the drop-down menus to classify each of these substances,
perfume
fuel
ether
alcohol
ester
carboxylic acid
anesthetic
weak base
weak acid

Explanation:

Substance abuse is related to misuse of toxic or hazardous substances for example alcohol, and illicit drugs. It leads to the psychoactive substances responsible for substance syndrome.

It is active due to global impairment in cognition, behavioral, and physiological phenomena that are developed after the repeated use of the substances abuse that is related to the strong desire to use the drugs.

1 a

2 d

3 a

4 c

explanation:

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.