Questions as text
Q1 · One of the reactions that occurs in a blast furnace is shown 0652/21 Oct/Nov 2017
15 One of the reactions that occurs in a blast furnace is shown. Fe2O3 + 3CO → 2Fe + 3CO2 Which substance is the reducing agent? A CO B CO2 C Fe D Fe2O3
1 marks
Answer: A
This question in 0652/21 Oct/Nov 2017
Q2 · An element, Y, reacts with aqueous copper sulfate and copper is produced 0652/21 Oct/Nov 2019
13 An element, Y, reacts with aqueous copper sulfate and copper is produced. The same element does not react with aqueous zinc sulfate. What is the position of Y in the reactivity series? A above zinc and above copper B above zinc and below copper C below zinc and above copper D below zinc and below copper
1 marks
Answer: C
This question in 0652/21 Oct/Nov 2019
Q3 · An element, Y, reacts with aqueous copper sulfate and copper is produced 0652/22 Oct/Nov 2019
13 An element, Y, reacts with aqueous copper sulfate and copper is produced. The same element does not react with aqueous zinc sulfate. What is the position of Y in the reactivity series? A above zinc and above copper B above zinc and below copper C below zinc and above copper D below zinc and below copper
1 marks
Answer: C
This question in 0652/22 Oct/Nov 2019
Q4 · Four different metals W, X, Y and Z are added to solutions of their metal nitrates 0652/21 Oct/Nov 2021
16 Four different metals W, X, Y and Z are added to solutions of their metal nitrates.
The results are shown.
solution of metal nitrate
metal added | Wnitrate | Xnitrate | Y nitrate Z nitrate
WwW v x x key
X x x v= reacts
Y J x X = no reaction
Z v v
What is the order of reaction?
least reactive > most reactive
A X WwW Y Z
B X Y WwW Z
Cc Z WwW Y X
D Z Y WwW X
1 marks
Answer: A
This question in 0652/21 Oct/Nov 2021
Q5 · A student mixes aqueous solutions of four halogens with four aqueous solutions of halides 0652/21 Oct/Nov 2022
12 A student mixes aqueous solutions of four halogens with four aqueous solutions of halides. 1 chlorine and potassium iodide 2 bromine and potassium chloride 3 iodine and potassium chloride 4 bromine and potassium iodide In which mixtures is a halogen displaced? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
1 marks
Answer: B
This question in 0652/21 Oct/Nov 2022
Q6 · An element, Q, reacts with aqueous copper sulfate and copper is produced 0652/21 Oct/Nov 2022
14 An element, Q, reacts with aqueous copper sulfate and copper is produced. The same element does not react with aqueous zinc sulfate. What is the position of Q in the reactivity series? A more reactive than zinc and more reactive than copper B more reactive than zinc and less reactive than copper C less reactive than zinc and more reactive than copper D less reactive than zinc and less reactive than copper
1 marks
Answer: C
This question in 0652/21 Oct/Nov 2022
Q7 · Some reactions of four metals, W, X, Y and Z, and their oxides are shown 0652/21 Oct/Nov 2022
15 Some reactions of four metals, W, X, Y and Z, and their oxides are shown. The letters are not the chemical symbols of the metals. reaction of metal with reaction of metal oxide metal dilute hydrochloric acid with carbon W reacts not readily reduced X no reaction readily reduced Y reacts reduced Z fast reaction not reduced What is the order of reactivity of these metals? most least reactive reactive A Z W Y X B Z Y W X C X W Y Z D X Y W Z
1 marks
Answer: A
This question in 0652/21 Oct/Nov 2022
Q8 · An element, Q, reacts with aqueous copper sulfate and copper is produced 0652/22 Oct/Nov 2022
14 An element, Q, reacts with aqueous copper sulfate and copper is produced. The same element does not react with aqueous zinc sulfate. What is the position of Q in the reactivity series? A more reactive than zinc and more reactive than copper B more reactive than zinc and less reactive than copper C less reactive than zinc and more reactive than copper D less reactive than zinc and less reactive than copper
1 marks
Answer: C
This question in 0652/22 Oct/Nov 2022
Q9 · Some reactions of four metals, W, X, Y and Z, and their oxides are shown 0652/22 Oct/Nov 2022
15 Some reactions of four metals, W, X, Y and Z, and their oxides are shown. The letters are not the chemical symbols of the metals. reaction of metal with reaction of metal oxide metal dilute hydrochloric acid with carbon W reacts not readily reduced X no reaction readily reduced Y reacts reduced Z fast reaction not reduced What is the order of reactivity of these metals? most least reactive reactive A Z W Y X B Z Y W X C X W Y Z D X Y W Z
1 marks
Answer: A
This question in 0652/22 Oct/Nov 2022
Q10 · Zinc is a metal which has many uses 0652/21 Oct/Nov 2024
16 Zinc is a metal which has many uses. When zinc is mixed with copper it forms … 1 … which is an … 2 … . Zinc is also used in the process of … 3 … to protect iron. Which words correctly complete gaps 1, 2 and 3? 1 2 3 A brass alkali rusting B brass alloy galvanising C brass alloy rusting D steel alloy galvanising
1 marks
Answer: B
This question in 0652/21 Oct/Nov 2024
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