Metals and Non metals 2

Name one metal that reacts with water and acid:

• Sodium

• Magnesium

• Iron

• Gold

Metals react with water and give off:

• oxygen gas

• hydrogen gas

• oxygen and hydrogen gas

• carbon dioxide

Name a non-metal which can reflect light:

• Graphite

• Diamond

• Nitrogen

• Hydrogen

Which metal can be used to make electricity cables?

• Copper

• Gold

• Silver

• Aluminium

A mixture of metals is called:

• solution

• colloid

• alloy

• suspension

What metal hydroxide is produced when magnesium reacts with water?

• Copper hydroxide
• Magnesium oxide
• Magnesium
• Magnesium hydroxide

Which salt will be produced if magnesium react with hydrochloric acid?

• Magnesium oxide
• Magnesium sulfate
• Magnesium sulfide
• Magnesium chloride

Metals that catch fire when exposed in air are

• Magnesium, Lead and Zinc

• Potassium and Sodium

• Gold, silver and platinum

• Copper

Which is the LEAST reactive metal in the following?

• Aluminium

• Sodium

• Copper

• Platinum

Graphite is a good conductor of electricity. It is a

• metal

• non-metal