Search SchoolNGR

Friday, 03 April 2026
Register . Login

25cm3 of a mixture of nobel gases was obtained from air after the removal of other ...

25cm3 of a mixture of nobel gases was obtained from air after the removal of other constituents. What was the original volume of air
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 2,500 cm3
  • B 1250 cm3
  • C 125 cm3
  • D 80 cm3
Correct Answer: Option A
Explanation:
Percentage of noble gases in air is 1%
25 = (1/100) * T
∴ T = 25 * 100 = 2500 cm3

Share question on: