Question:
Th correct statements among (a) to (d) regarding $\mathrm{H}_{2}$ as a fuel are :
(a) It produces less pollutant than petrol
(b) A cylinder of compressed dihydrogen weighs $\sim 30$ times more than a petrol tank producing the same amount of energy
(c) Dihydrogen is stored in tanks of metal alloys like $\mathrm{NaNi}_{5}$
(d) On combustion, values of energy released per gram of liquid dihydrogen and LPG are 50 and $142 \mathrm{~kJ}$, respectively
Correct Option: , 2
Solution:
Option (a), (b) & (c) are correct answer (NCERT THEORY BASED)