Question : Which of the following chemicals are widely used in gunpowder of fireworks?
Option 1: Silver nitrate and charcoal
Option 2: Silver nitrate and sulphur
Option 3: Potassium sulphate and phosphorous
Option 4: Potassium nitrate, sulphur and charcoal
Correct Answer: Potassium nitrate, sulphur and charcoal
Solution : The correct answer is Potassium nitrate, sulphur and charcoal.
Potassium nitrate, sulphur and charcoal are used in the gunpowder of fireworks. The composition of gunpowder is around 75% potassium nitrate, 15% charcoal and 10% sulphur. Charcoal and sulphur work like fuel and potassium nitrate is an oxidiser.
Related Questions
Know More about
Staff Selection Commission Sub Inspector ...
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
Get Updates Brochure
Your Staff Selection Commission Sub Inspector Exam brochure has been successfully mailed to your registered email id “”.
