Q. Which is used in the manufacture of safe matchsticks?
A) Red phosphorus
B) Sulphur
C) Selenium
D) White phosphorus
Explanation
(a)
Due to less reactivity of red phosphorus, it is used in the manufactures of safe matchsticks
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.