Metals

When a metal salt reacts with a more reactive salt, what sort of reaction occurs?

• combustion

• displacement

• neutralisation

• redox

Tags

NGSS.MS-PS1-2

In nature, metals normally react with other compounds to form minerals. What is the metal that is found in the mineral Haematite?

• iron

• aluminium

• zinc

• copper

How do you test for hydrogen?

• relights a glowing splint

• pops a lit splint

• puts out a lit splint

• form a precipitate with lime water

Tags

NGSS.MS-PS1-2

Which example is not an Alloy?

• steel

• bronze

• brass

• zinc

What is the chemical name for rust?

• iron (II) oxide

• iron (III) oxide

• pyrite

• iron carbonate

Which of the following conditions are necessary for rusting to occur?

• air and water

• water only

• air only

• air, water and heat

Tags

NGSS.MS-PS1-2

Which of the following is not a reason for recycling metals?

• metal ores are finite resources

• recycling metals increases the purity of the metals

• recycling reduces the cost of producing the metals

• recycling reduces the pollution of the atmosphere

Which property do all metals have?

• low boiling point

• react with cold water

• low density

• conductor of electricity

Can be beaten into thin sheets

• malleable

• flexible

• strength

• ductile

The only 3 magnetic metals are:

• iron

• cobalt

• nickel

• copper

Tags

NGSS.MS-PS2-3