Which one of the following pairs of substances when mixed, produces chlorine gas at room temperature (a) NaCl and MnO2 produces chlorine gas at room temperature (a) NaCl and MnO2 Which one of the following pairs of substances when mixed November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related