IOM Bsc nursing entrance exam question

Institute of Medicine (IOM) 2010   1.   When NH4Cl is added to NH4OH, its pH:       a) Decreases                                 b) Increases       c) Remains unchanged                   d) Zero 2.   The number of molecules of CaCO3, which remains if 1 mole of CaCO3 is allowed to react with 1 mole of HCl are:       a) 1.2 x…