From the metals : copper iron magnesium sodium and zinc select a different metal in each case which:
1. Dose not react with dilute HCL
2. Can form2+and 3+ions
3. Has hydroxide that reacts with both acids and alkalis

1 copper
2 iron
3 sodium
  • 2
1. Copper (since Cu is less reactive than hydrogen, will not displace hydrogen from HCl)
2.Iron (Fe2+ and Fe3+)
3. Zinc (it is an amphoteric oxide)
  • 2
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