All are components of black gun powder except:: (A) Charcoal, (B) Lead peroxide, (C) Potassium nitrate, (D) Sulphur
Answer is B. Ans: b (Lead peroxide) Ref: Reddy, 27th ed,p. 187Components of black gun powder - Potassium nitrite 75%Sulphur 10%Charcoal 15%Smokeless gun powderNitrocelluloseNitroglycerineNitroguanidineSemismokeless powder80% Black gun powder + 20% smokeless powder- Lead peroxide is present in printing mixture.