Questions as text
Q1 · Which test is used to show that a gas is ammonia? 0652/21 Oct/Nov 2017
11 Which test is used to show that a gas is ammonia? A B C D flame glowing splint splint limewater damp litmus paper
1 marks
Answer: D
This question in 0652/21 Oct/Nov 2017
Q2 · Limonene is a colourless, unsaturated hydrocarbon found in lemons 0652/21 Oct/Nov 2017
20 Limonene is a colourless, unsaturated hydrocarbon found in lemons. Which row describes the colour change when a few drops of limonene are shaken with bromine? colour of bromine colour of bromine at the start of experiment after mixing with limonene A colourless colourless B colourless orange C orange colourless D orange orange
1 marks
Answer: C
This question in 0652/21 Oct/Nov 2017
Q3 · Which test is used to show that a gas is ammonia? 0652/22 Oct/Nov 2017
11 Which test is used to show that a gas is ammonia? A B C D flame glowing splint splint limewater damp litmus paper
1 marks
Answer: D
This question in 0652/22 Oct/Nov 2017
Q4 · Which substance is used as a chemical test for water? 0652/21 Oct/Nov 2019
15 Which substance is used as a chemical test for water? A anhydrous copper(II) sulfate B hydrated cobalt(II) chloride C hydrated copper(II) sulfate D pink cobalt(II) chloride
1 marks
Answer: A
This question in 0652/21 Oct/Nov 2019
Q5 · Which substance is used as a chemical test for water? 0652/22 Oct/Nov 2019
15 Which substance is used as a chemical test for water? A anhydrous copper(II) sulfate B hydrated cobalt(II) chloride C hydrated copper(II) sulfate D pink cobalt(II) chloride
1 marks
Answer: A
This question in 0652/22 Oct/Nov 2019
Q6 · A gas is tested as shown 0652/21 Oct/Nov 2021
13 A gas is tested as shown. test observation lighted splint is placed in the gas lighted splint goes out damp red litmus paper is placed in the gas red litmus paper turns blue gas is passed through limewater limewater is colourless What is the gas? A ammonia B carbon dioxide C chlorine D hydrogen
1 marks
Answer: A
This question in 0652/21 Oct/Nov 2021
Q7 · Which test is used to show that a gas is ammonia? 0652/21 Oct/Nov 2022
11 Which test is used to show that a gas is ammonia? A B C D flame glowing splint splint limewater damp litmus paper
1 marks
Answer: D
This question in 0652/21 Oct/Nov 2022
Q8 · Which test is used to show that a gas is ammonia? 0652/22 Oct/Nov 2022
11 Which test is used to show that a gas is ammonia? A B C D flame glowing splint splint limewater damp litmus paper
1 marks
Answer: D
This question in 0652/22 Oct/Nov 2022
Q9 · Chloride ions are identified using aqueous silver nitrate 0652/21 Oct/Nov 2023
16 Chloride ions are identified using aqueous silver nitrate. Before aqueous silver nitrate is added, the pH of the mixture must be below 7. Which substance is added to aqueous silver nitrate before testing for chloride ions? A aqueous ammonia B aqueous sodium hydroxide C dilute hydrochloric acid D dilute nitric acid
1 marks
Answer: D
This question in 0652/21 Oct/Nov 2023
Q10 · Chloride ions are identified using aqueous silver nitrate 0652/22 Oct/Nov 2023
16 Chloride ions are identified using aqueous silver nitrate. Before aqueous silver nitrate is added, the pH of the mixture must be below 7. Which substance is added to aqueous silver nitrate before testing for chloride ions? A aqueous ammonia B aqueous sodium hydroxide C dilute hydrochloric acid D dilute nitric acid
1 marks
Answer: D
This question in 0652/22 Oct/Nov 2023
Q11 · A sample of aqueous copper(II) chloride is mixed with aqueous ammonia until the ammonia… 0652/21 Oct/Nov 2024
13 A sample of aqueous copper(II) chloride is mixed with aqueous ammonia until the ammonia is in excess. A separate sample of aqueous copper(II) chloride is mixed with acidified aqueous silver nitrate. Which observations are correct? excess acidified aqueous aqueous ammonia silver nitrate A blue precipitate colourless solution B blue precipitate white precipitate C blue solution colourless solution D blue solution white precipitate
1 marks
Answer: D
This question in 0652/21 Oct/Nov 2024
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