PPSC Assistant Director Population Welfare(BS-17)-2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsWhich of the following gases is used in extinguish fire? Posted on April 1, 2021 by Rana TahirA. Oxygen B. Hydrogen C. Water Vapour D. Carbon dioxideShare 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)
