PHYSICS
JAMB 2014 - Question 47
Physics 2014 JAMB Past Questions - Question 47: Which gas produces a pink colored light in a discharged tube ?
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
B
Explanation
air is a mixture of gases namely oxygen hydrogen, carbon iv oxide and 1% of noble gasses. in a discharge tube, air at (low) pressure produce pink colour which should be attributed to the noble gases present in air e.g. Helium which produce pink colour
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