Hydrogen gas has less than ……… the density of air.
A. 1/12th
B. 1/10th
C. 2/3rd
D. 1/3rd
Answer:A
Hydrogen gas has less than ……… the density of air.
A. 1/12th B. 1/10th C. 2/3rd D. 1/3rd
Explanation: None.