Metals reacting with oxygen, water and acids

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

• Reactive
• Unreactive
• Dangerous
• Corrosive

Tags

NGSS.MS-PS1-2

What are the reactants for the reaction of metal with water?
Metal + water ---> metal hydroxide + hydrogen

• Metal
• Water
• Metal and water
• Metal hydroxide and hydrogen

Rusting is the reaction of iron with ______ in the presence of _________.

• oxygen, water

• acid, salt

• water, air

• heat, air

How can you tell that a metal is reacting with water?

• Colour change
• Bright light
• Fizzing
• It gets colder

Tags

NGSS.MS-PS1-2

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

Tags

NGSS.MS-PS1-2

What metal hydroxide is produced when magnesium reacts with water?

• Copper hydroxide
• Magnesium oxide
• Magnesium
• Magnesium hydroxide

Tags

NGSS.MS-PS1-5

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 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