End of Term Revision

Which metal can be extracted from its oxide by heat alone?

• lead

• mercury

• tin

• zinc

Metallic bonding is a force of attraction between

• negative ions and positive ions

• a shared pair of electrons and two nuclei

• positive ions and delocalised electrons

• negative ions and delocalised electrons

This represents the

• reduction of titanium atoms

• reduction of titanium ions

• oxidation of titanium atoms

• oxidation of titanium ions

copper is a good conductor of electricity because

• the atoms are free to vibrate

• the atoms are in close contact

• the atoms have the electron arrangement 2,8,18,1

• electrons can move readily from one atom to the next

Which of these represents the structure of a metal?

• A

• B

• C

• D

Which of the following substances does not produce water when it reacts with dilute acid?

• sodium hydroxide

• magnesium

• copper oxide

• ammonia solution

Which salt cannot be prepared by a precipitation reaction?

• barium sulfate

• lead (II) sulfate

• calcium chloride

• silver chloride

hydrogen gas

• burns with a pop

• relights a glowing splint

• turns damp pH paper red

• turns limewater cloudy

A solution of accurately known concentration is more commonly known as a

• correct solution

• precise solution

• standard solution

• prepared solution

Which of the following metals is found uncombined in the Earth's crust?

• aluminium

• iron

• lead

• silver