Answer:
1) acid + metal --> salt + h22) acid + base --> salt + water
Step-by-step explanation:
btw in number 1... h2 is 2 atoms of hydrogen
example:1) 2HCL + 2NA --> 2NACL + H2
2) HCL + NAOH --> NACL + H2O
1. HCl + Fe
2. HNO3 + NaOH
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