The chemical used for cooling in refrigeration is (a) CO2 (b) NH4OH (c) NH4Cl (d) Liquid NH3 The chemical used for cooling in refrigeration is (a) CO2 (b) NH4OH (c) NH4Cl (d) Liquid NH3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
