PPSC Past Paper Deputy Accountant Finance Department-2019 Evening, General Knowledge MCQs, PPSC Solved Past Papers MCQsWhich substance is used in match sticks? Posted on April 20, 2021 by Rana TahirA. Sulphur B. Zinc C. Iron D. Nitric AcidShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)