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    				| 1. | 
                                    Balance the following chemical equations.(a)' HNO3 + Ca(OH), + Ca(NO3)2 +H,0(b) NaOH+H,50. → Na, SO4+H,0(c) NaCl + AgNO, → AgCl + NaNO,(d) BaCl, + H, SO, → Baso, + HCI | 
                            
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