Which of the following is a tetrabasic acid (a) Orthophosphorus acid (b) Orthophosphoric acid (c) Metaphosphoric acid (d) Pyrophosphoric acid Which of the following is a tetrabasic acid (a) Orthophosphorus acid (b) Orthophosphoric acid (c) Metaphosphoric acid (d) Pyrophosphoric acid November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related