Chemistry AQA 9-1 Paper 1 Chemical Changes Trilogy

Which statement about the reactivity series is correct?

• Metals at the bottom of the reactivity series lose electrons more easily than metals at the top of the series

• Metals at the top of the reactivity series react less vigorously than metals at the bottom of the series

• Metals at the top of the reactivity series lose electrons more easily than metals at the bottom of the series

What are the products of the reaction of sodium with water?

• Sodium oxide and hydrogen

• Sodium hydroxide and water

• Sodium hydroxide and hydrogen

What are the products of the reaction of potassium with water?

• potassium oxide and hydrogen

• potassium hydroxide and water

• potassium hydroxide and hydrogen

• potassium hydroxide and oxygen

What are the products of the reaction of lithium with water?

• lithium oxide and hydrogen

• lithium hydroxide and water

• lithium hydroxide and hydrogen

• lithium hydroxide and oxygen

What are the products of the reaction of magnesium with sulphuric acid?

• Magnesium sulphate and hydrogen

• Magnesium sulphate and water

• Magnesium chloride and water

• Magnesium nitrate and hydrogen

What are the products of the reaction of magnesium with nitric acid?

• Magnesium sulphate and hydrogen

• Magnesium sulphate and water

• Magnesium chloride and water

• Magnesium nitrate and hydrogen

What are the products of the reaction of magnesium with hydrochloric acid?

• Magnesium chloride and hydrogen

• Magnesium sulphate and water

• Magnesium chloride and water

• Magnesium nitrate and hydrogen

Which substance is oxidised in the reaction represented by this equation?

Lead oxide + carbon → lead + carbon dioxide

• Lead

• Carbon

• Lead oxide

Which substance is reduced in the reaction represented by this equation?

Lead oxide + carbon → lead + carbon dioxide

• Lead

• Carbon

• Lead oxide

Which is the correct symbol equation for the following reaction?

Lead oxide + carbon → lead + carbon dioxide

• Pb + C --> PbO + CO₂

• PbO + C --> Pb + CO₂

• PBO + C --> PB + CO₂

• 2PbO + C --> 2Pb + CO₂