React of Metals

What is a reactive metal?

• A metal that changes color

• A metal that does not react

• A metal that reacts quickly

• A soft metal

Which metal reacts with water?

• Gold

• Copper

• Potassium

• Silver

What gas is made when a metal reacts with acid?

• Carbon dioxide

• Oxygen

• Hydrogen

• Nitrogen

What happens when magnesium is added to acid?

• It sinks

• Nothing happens

• Bubbles of gas form

• It melts

What is made when a metal reacts with oxygen?

• Metal salt

• Metal oxide

• Metal acid

• Metal gas

Which of these metals is the most reactive?

• Iron

• Zinc

• Copper

• Sodium

Which of these metals does not react with acid?

• Zinc

• Magnesium

• Copper

• Calcium

What do you see when a reactive metal reacts with acid?

• Steam

• Color change

• Gas bubbles

• Smoke

Which metal is least reactive?

• Potassium

• Zinc

• Iron

• Gold

What do all metals make when they react with acid?

• Salt and gas

• Oxygen and gas

• Salt and water

• Only bubbles