Which of the following cells is used in the Apollo space programme?
- (A)Mercury cell
- (B)H–O fuel cell✓ Correct
- (C)Dry cell
- (D)Ni-Cd cell
Answer: (B)
Solution
The H–O fuel cell was used in the Apollo space programme; its product, water, served as drinking water for the crew.
CBSE Class 12 Board · 2024 · Single correct option