CIE iGCSE Co-Ordinated Science C8.5 Noble gases Exam Style Questions Paper 2
Question
Neon is in Group Vlll of the Periodic Table.
Which row about neon is correct?
▶️Answer/Explanation
Ans: C
Question
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.
▶️Answer/Explanation
Ans : D
Question
What is a use for argon?
(A) as a catalyst
(B) in alloys
(C) in lamps
(D) neutralising chemical waste
▶️Answer/Explanation
Ans: C
Question
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.
▶️Answer/Explanation
Ans: D