Question

Select all the examples of compounds from the list.

a
water (H20)
b
fruit salad
c
air
d
table salt (NaCl)
e
pizza
f
Gold (Au)

Answer 1

a (water, H2O) and d (table salt, NaCl).

These are compounds because each is a substance made of two or more elements chemically bonded. The others are mixtures (fruit salad, air, pizza) or a pure element (gold).