Medium PPSC Past Papers PPSC PAST PAPERS FPSC Question What is the chemical formula of Washing Soda? A NaHCO₃ B Na₂SO₃ C Na₂CO₃ D None of these Submit Answer Try Again Explanation Explanation Washing soda , also known as sodium carbonate , has the chemical formula Na₂CO₃. It is commonly used in cleaning agents and water softeners. Washing soda is a whitish, odourless powder. Show Explanation Previous MCQ All MCQs Next MCQ More MCQs in PPSC Past Papers Medium کیا آپ بتا سکتے ہیں کی دبیر کس شاعر کے شاگرد تھے کیا آپ بتا سکتے ہیں کی دبیر کس شاعر کے شاگرد تھے Medium Change the voice: “People speak English all over the world”. Change the voice: "People speak English all over the world". Medium When did Pakistan officially recognize/accept the Government of Bangladesh? When did Pakistan officially recognize/accept the Government of Bangladesh? Medium When did the 2nd World War Started? When did the 2nd World War Started?
