What makes something a mixture? | Exit Quiz | Oak National Academy

Why is steel a mixture?

• It contains only iron particles.

• It contains only steel particles.

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

• It contains two iron particles.

Which metals make the alloy bronze?

• Iron and carbon.

• Iron and copper.

• Tin and copper.

• Tin and iron.

Why is bronze more useful than pure metals?

• It is a different colour.

• It is cheaper.

• It is softer.

• It is stronger.

What is it called when two liquids cannot mix?

• Immiscible

• Immixable

• Miscible

• Mixable

What happens when oil and water are mixed?

• 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.

• They mix to form a single liquid.