Mastery Check: Oxides and Their Properties

Which compound classifies as an acidic oxide?

• calcium oxide (CaO)

• zinc oxide (ZnO)

• sulfur dioxide (SO2)

• carbon monoxide (CO)

Which compound classifies as a neutral oxide?

• calcium oxide (CaO)

• zinc oxide (ZnO)

• sulfur dioxide (SO2)

• carbon monoxide (CO)

Which compound classifies as an amphoteric oxide?

• calcium oxide (CaO)

• zinc oxide (ZnO)

• sulfur dioxide (SO2)

• carbon monoxide (CO)

Which compound classifies as a basic oxide?

• calcium oxide (CaO)

• zinc oxide (ZnO)

• sulfur dioxide (SO2)

• carbon monoxide (CO)

Which row explains an amphoteric oxide? Choose the best answer.

• neutralises acids to form salt and water

• has both acidic and basic properties

• neutralises bases to form salt and water

• does not react with acids of bases

Which elements form basic oxides?

• non-metals

• metals

• both metals and non-metals

• none of these

Which element forms an acidic oxide?

• calcium

• lithium

• magnesium

• sulfur

Which oxide is classified as an amphoteric oxide?

• aluminium oxide

• calcium oxide

• copper(II) oxide

• nitrogen oxide

Which type(s) of substances will react with lead (II) oxide?

• acids and bases

• acids only

• bases only

• neither acids nor bases

Carbon forms two oxides: carbon monoxide, CO, and carbon dioxide, CO2. Which row describes these two oxides?

• A

• B

• C

• D