Which noble gas is used to fill balloons because it is low density and non-flammable?
[1]
A
helium
B
xenon
C
radon
D
argon
Markscheme
7.3 Group 0 Questions
44 exam-style questions on Edexcel GCSE Chemistry 7.3 Group 0, covering 7.3.1 The noble gases. Each one has a worked solution and a mark scheme showing where the marks go.