Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit
Inorganic Chemistry
869 practice questions
Topics covered
- The Alkali Metals85 practice questions
- The Halogens86 practice questions
- Gases in the Atmosphere86 practice questions
- Reactivity Series163 practice questions
- Extraction and Uses of Metals128 practice questions
- Acids, Alkalis and Titrations83 practice questions
- Acids, Bases and Salt Preparations156 practice questions
- Chemical Tests68 practice questions
Practice questions
131–140 of 359 · Easy
Question 131
2 marks · Easy
Answer and see the solution →In a reaction between calcium metal and tin(II) sulfate solution, calcium displaces tin.
State which substance is the oxidising agent and which is the reducing agent, giving your answer in terms of electron transfer.
Question 132
1 mark · Easy
Answer and see the solution →State the general word equation for the reaction of a metal with cold water.
Question 133
3 marks · Easy
Answer and see the solution →Potassium reacts vigorously when added to a trough of cold water.
(a)[2 marks]Describe two observations you would make during this reaction.
(b)[1 mark]Name the gas produced in this reaction.
Question 134
2 marks · Easy
Answer and see the solution →Explain, using the reactivity series, why gold does not react with either cold water or steam.
Question 135
3 marks · Easy
Answer and see the solution →The table shows some metals and their reactions with water or steam:
Metal Reacts with cold water? Reacts with steam? Potassium Yes No Calcium Yes No Magnesium No Yes Copper No No (a)[1 mark]Identify one metal from the table that reacts only with steam but not with cold water.
(b)[1 mark]State the general word equation for the reaction of this metal with steam.
(c)[1 mark]Name the gas produced in this reaction.
Question 136
1 mark · Easy
Answer and see the solution →State one observation when calcium reacts with cold water.
Question 137
3 marks · Easy
Answer and see the solution →Zinc is heated in steam according to the equation:
(a)[2 marks]Name two products formed in this reaction.
(b)[1 mark]State the colour of zinc oxide when it has just formed (hot).
Question 138
2 marks · Easy
Answer and see the solution →Copper is used for water pipes, even for hot water. Using the reactivity series, explain why copper does not react with either cold water or steam.
Question 139
2 marks · Easy
Answer and see the solution →A student heats 2.00 g of zinc powder in steam using the following equation:
Calculate the maximum mass of hydrogen gas, in grams, that can be produced.
Question 140
1 mark · Easy
Answer and see the solution →When magnesium reacts with dilute hydrochloric acid, what gas is produced?