Metal Reaction

How can you test to show that when a metal reacts with water, hydrogen gas is produced?

• Relights a glowing splint
• A lit splint produces a squeaky pop
• Puts out a burning splint
• Is cold to the touch

What gas is always produced when a metal reacts with water?

• Oxygen
• Carbon dioxide
• Hydrogen
• Carbon monoxide

What metal hydroxide is produced when magnesium reacts with water?

• Copper hydroxide
• Magnesium oxide
• Magnesium
• Magnesium hydroxide

Which metal is most likely to react with water or acid?

• Copper
• Potassium
• Magnesium
• Iron

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

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

Reactivity of metal towards oxygen increases down the reactivity series of metal diagram

• True

• False

In a vigorous reaction between a more reactive metal such as magnesium and oxygen, a bright flame is observed

• True

• False

In a word equation, the starting chemicals are called...

• reactants

• products

• ingredients

Which of the following reactions produces calcium oxide?

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

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

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