Get Started
715

Q:

Which substance is added to make natural rubber hard and bouncy?

  • 1
    Petrol Jelly
  • 2
    sulfuric acid
  • 3
    sulfur
  • 4
    Sponge
  • Show Answer
  • Workspace

Answer : 3. "sulfur"

Previous Next
Basic GK Science GK

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today