PPSC Assistant Sub Inspector (2020) Anti-Corruption, Geography MCQs, PPSC Solved Past Papers MCQsThe Process by which a substance absorbs moisture upon exposure to atmosphere is called ? Posted on March 26, 2021April 29, 2021 by Rana TahirA. Deliquescence B. Efflorescence C. Dehydrogenation D. DesalinationShare 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)