Question: __________ is not a constituent of gun powder.
[A].Carbon
Charcoal
Sulphur
Potassium nitrate
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.