Question

1.- Are the following statements true or false? Write in the line.
Air is a mixture.
Gold is a pure substance.
Water from a lake is a pure substance.
A pure substance contains particles that are all alike.
Two different gases together make up a mixture.

Answer 1

Respuesta:

Air is a mixture: True.

Gold is a pure substance: True.

Water from a lake is a pure substance: False.

A pure substance contains particles that are all alike: True.

Two different gases together make up a mixture: True.