8.3 Reactions of metals with oxygen [Must do]

Metals that react quickly/strongly with water and acids are called?

• Reactive
• Unreactive
• Dangerous
• Corrosive

What is produced when a metal reacts with oxygen?

• metal + oxygen

• metal oxide

• water

• metal + hydrogen

Copper + oxygen >

• copper hydroxide

• copper oxide

• copper oxygen

• copper + hydrogen

Lithium + oxygen >

• lithium + oxygen

• lithium hydroxide

• oxygen lithide

• lithium oxide

How are metal oxides formed?

• When metals react with oxide.
• When metals react with water.
• When metals react with air.
• When metals react with oxygen.

Which of the following is the product of the reaction of aluminium and oxygen?

• aluminium oxide.
• metal oxide
• aluminium ore
• aluminium and oxygen

Which of the following reactions produces calcium oxide?

• calcium and oxide
• calcium and water
• calcium and air
• calcium and oxygen

Which of the following defines oxidation?

• A chemical reaction where a substance gains oxygen.
• A chemical reaction where a substance loses oxygen.
• A chemical reaction where a substance loses a metal.
• A chemical reaction where a substance gains a metal.

The rusting of iron is an example of

• a reduction reaction.
• an oxidation reaction.
• a reaction of iron with water.
• a reaction that dissolves iron.

What was the chemical name given to Rust ?

• Carbon

• Iron Oxide

• Iron Oxygen

• Magnesium Oxide