What makes something a mixture?

Science

It contains two different types of particle: iron and carbon.

Why is bronze more useful than pure metals?

What is it called when two liquids cannot mix?

They form two layers, oil on the bottom and water on the top.

They form two layers, water on the bottom and oil on the top.

What happens when oil and water are mixed?

Pure substances contain only one type of particle.

Impure because it contains water particles and salt particles.

Impure because it only contains water particles.

Pure because it contains water particles and salt particles.

Pure because it only contains water particles.