Laughing gas is prepared by heating (a) NH4Cl (b) (NH4)2SO4 (c) NH4Cl + NaNO3 (d) NH4NO3 Laughing gas is prepared by heating (a) NH4Cl (b) (NH4)2SO4 (c) NH4Cl + NaNO3 (d) NH4NO3 November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related