Question

1. water is a(n) ______________. (select all that apply.)

a. pure substance
b. colloid
c. mixture
d. compound
e. element
f. solution

Explanation:

Water is made of two hydrogen and one oxygen atoms (H₂O), a pure substance and a compound. It's not a colloid, mixture, element, or solution.

Answer:

A. pure substance
D. compound