Chemistryhard · Past Paper
Which noble gas is not found in the atmosphere?
AArgon
BNeon
CRadon
DHelium
✓ Correct Answer: C — Radon
Radon is a radioactive gas produced in the earth's crust and is not naturally found in the air.
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✓ Correct Answer: C — Radon
Radon is a radioactive gas produced in the earth's crust and is not naturally found in the air.
Share this question