AQA GCSE CHEM Chemical Changes MCQ FT

Front

What is formed when a metal reacts with oxygen?

Back

a metal oxide

Front

What happens in a displacement reaction?

Back

A more reactive metal takes the place of a less reactive metal in a compound.

Front

Which of the following will have the most vigorous reaction with dilute acid?

• copper
• iron
• magnesium
• zinc

Back

magnesium

Front

What is produced when a metal reacts with an acid?

Back

a salt and hydrogen

Front

Which type of ion do acids produce in aqueous solutions?

Back

H+

Front

What colour is produced when universal indicator is added to a strong acid?

Back

red

Front

What type of reaction occurs between an acid and an alkali?

Back

neutralisation

Front

What is the name of the negative electrode in electrolysis?

Back

cathode

Front

What is aluminium oxide mixed with to reduce energy costs during electrolysis?

Back

cryolite

Front

In the electrolysis of aqueous sodium chloride, what is produced at the anode?

Back

chlorine