Which one among the following is used in making gunpowder ?
[amp_mcq option1=”Magnesium sulphate” option2=”Potassium nitrate” option3=”Sodium stearate” option4=”Calcium sulphate” correct=”option2″]
This question was previously asked in
UPSC NDA-1 – 2015
Gunpowder is typically a mixture of potassium nitrate (oxidizer), charcoal (fuel), and sulfur (fuel/stabilizer). Potassium nitrate serves as the oxidizer, providing oxygen for the rapid combustion of the fuel components.