Y8 Metals and reactivity

Magnetism occurs in _________.

• metals containing zinc

• all metals

• plastics

• metals containing iron

Which of these metals is the most reactive?

• Iron

• Copper

• Tin

• Aluminium

Acids react with metals to form ___________.

• oxygen and water

• rust

• salt and water

• salt and hydrogen

Rusting occurs when ________.

• iron reacts with water and nitrogen

• iron reacts with water and oxygen

• oxygen reacts with iron

• water reacts with metal

Which of these metals is the least reactive?

• Tin

• Zinc

• Magnesium

• Aluminium

ACID + OXIDE -->

• SALT

• SALT + HYDROGEN

• SALT + WATER

• WATER

When making copper sulphate, why is copper oxide added to excess?

• Make sure all the copper oxide reacts

• Make sure all the acid reacts

• So it can be filtered

• So it evaporates

hydrochloric acid + magnesium -> ____________ + hydrogen

• magnesium oxide

• hydrogen chloride

• water

• magnesium chloride

sulphuric acid + calcium ->

• calcium chloride + hydrogen

• calcium chloride + water

• calcium sulphate + hydrogen

• calcium sulphate + water

Gas produced when a carbonate reacts with an acid

• oxygen

• hydrogen

• carbon dioxide

• nitrogen