Medium PPSC 5 Years Past Papers Subject Wise (Solved with Details) PPSC 5 YEARS PAST PAPERS SUBJECT WISE (SOLVED WITH DETAILS) FPSC Question What is the chemical formula of Washing Soda? A NaHCO₃ B Na₂SO₃ C Na₂CO₃ D None of these Submit Answer Try Again Show Explanation 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. Previous MCQ All MCQs Next MCQ More MCQs in PPSC 5 Years Past Papers Subject Wise (Solved with Details) Medium What is the duration of the National Anthem of Pakistan? What is the duration of the National Anthem of Pakistan? Medium How many countries are the members of SAARC? How many countries are the members of SAARC? Medium Who is the Current Chief Minister of Sindh? Who is the Current Chief Minister of Sindh? Medium Durand line is between _____? Durand line is between _____?
