Questions as text
Q1 · An airship containing an unreactive gas floats in air, as shown 0654/22 Feb/March 2022
21 An airship containing an unreactive gas floats in air, as shown. Which gas is used to fill the airship? A carbon dioxide B helium C hydrogen D nitrogen
1 marks
Answer: B
This question in 0654/22 Feb/March 2022
Q2 · A gas is used in welding metals together at high temperatures 0654/21 May/June 2022
20 A gas is used in welding metals together at high temperatures. The gas is used to provide an inert atmosphere. What is the gas? A argon B carbon dioxide C fluorine D oxygen
1 marks
Answer: A
This question in 0654/21 May/June 2022
Q3 · A gas is used in welding metals together at high temperatures 0654/22 May/June 2022
20 A gas is used in welding metals together at high temperatures. The gas is used to provide an inert atmosphere. What is the gas? A argon B carbon dioxide C fluorine D oxygen
1 marks
Answer: A
This question in 0654/22 May/June 2022
Q4 · A gas is used in welding metals together at high temperatures 0654/23 May/June 2022
20 A gas is used in welding metals together at high temperatures. The gas is used to provide an inert atmosphere. What is the gas? A argon B carbon dioxide C fluorine D oxygen
1 marks
Answer: A
This question in 0654/23 May/June 2022
Q5 · Filament lamps require an inert atmosphere 0654/21 Oct/Nov 2022
22 Filament lamps require an inert atmosphere. Which gas is used to fill these lamps? A argon B helium C hydrogen D oxygen
1 marks
Answer: A
This question in 0654/21 Oct/Nov 2022
Q6 · Filament lamps require an inert atmosphere 0654/22 Oct/Nov 2022
22 Filament lamps require an inert atmosphere. Which gas is used to fill these lamps? A argon B helium C hydrogen D oxygen
1 marks
Answer: A
This question in 0654/22 Oct/Nov 2022
Q7 · Filament lamps require an inert atmosphere 0654/23 Oct/Nov 2022
22 Filament lamps require an inert atmosphere. Which gas is used to fill these lamps? A argon B helium C hydrogen D oxygen
1 marks
Answer: A
This question in 0654/23 Oct/Nov 2022
Q8 · Why are the elements in Group VIII of the Periodic Table unreactive? 0654/22 Feb/March 2023
23 Why are the elements in Group VIII of the Periodic Table unreactive? A They are gaseous elements. B They are monatomic elements. C They have full inner shells of electrons. D They have full outer shells of electrons.
1 marks
Answer: D
This question in 0654/22 Feb/March 2023
Q9 · What is a use for argon? 0654/21 Oct/Nov 2023
23 What is a use for argon? A as a catalyst B in alloys C in lamps D neutralising chemical waste
1 marks
Answer: C
This question in 0654/21 Oct/Nov 2023
Q10 · Which statement explains why argon is used to fill lamps? 0654/22 Oct/Nov 2023
22 Which statement explains why argon is used to fill lamps? A It is a gas. B It is colourless. C It is reactive. D It is unreactive.
1 marks
Answer: D
This question in 0654/22 Oct/Nov 2023
Q11 · Why is argon used in lamps? 0654/23 Oct/Nov 2023
22 Why is argon used in lamps? A It is heavier than air. B It is lighter than air. C It is reactive. D It is unreactive.
1 marks
Answer: D
This question in 0654/23 Oct/Nov 2023
Q12 · Which statement about noble gases is correct? 0654/21 May/June 2024
24 Which statement about noble gases is correct? A All of the noble gas atoms have eight electrons in their outer shell. B They all form diatomic molecules. C Argon is used to fill weather balloons. D They are all present in clean air in small amounts.
1 marks
Answer: D
This question in 0654/21 May/June 2024
Q13 · Neon is in Group VIII of the Periodic Table 0654/23 May/June 2024
22 Neon is in Group VIII of the Periodic Table.
Which row about neon is correct?
full inner incomplete
unreactive diatomic outer electron
electron shell
shell
A Jv x Jv WA
B x Jv x x
Cc Jv x Jv x
D x Jv x J
key
/ = true
X = false
1 marks
Answer: C
This question in 0654/23 May/June 2024
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