Junior Clerk in Punjab Police Department 2022Chemical formula of washing soda is___ ? Posted on October 27, 2022 by adminA. Na2SO4 B. NAHCO3 C. Na2SO4.10H2O D. None of theseShare 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)