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 metal hydroxide is produced when magnesium reacts with water?

• Copper hydroxide
• Magnesium oxide
• Magnesium
• Magnesium hydroxide

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

• Oxygen
• Carbon dioxide
• Hydrogen
• Carbon monoxide

What gas is produced when a metal reacts with an acid?

• Water vapour
• Acidic gas
• Hydrogen
• Nitrogen

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

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

An acid reacts with metal to produce 

• Carbon dioxide 
• Hydrogen gas
• Hydrogen gas and water 
• Salt and hydrogen gas 

Tags

NGSS.MS-PS1-2

Lithium chloride + Iron → ?

• Lithium chloride + Iron (No change)

• Iron chloride + Lithium

• Lithium oxide + hydrogen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Zinc sulphate + Magnesium → ?

• Magnesium + Sulphur + Hydrogen

• Zinc sulphate + Magnesium

• Magnesium sulphate + Zinc

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Magnesium chloride + Sodium → ?

• Sodium chloride + Magnesium

• Magnesium chloride + Sodium (No change)

• Sodium magnesium + Chlorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When copper and magnesium sulphate are mixed together, there is no reaction. Why?

• Magnesium is more reactive than copper
• Copper is more reactive than magnesium
• Copper never reacts with metal salts
• Magnesium Sulphate never reacts with metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2