1) potassium + Hydrochloric acid
- Potassium Chloride + Hydrogen 2)Copper +Oxygen - Copper (ll) Oxide
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1) potassium + Hydrochloric acid
- Potassium Chloride + Hydrogen 2)Copper +Oxygen - Copper (ll) Oxide
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Answer: 2K+2HCl—>2KCl+H2
2KCl+H2—>2K+2HCl
2Cu+O2—>2CuO
Explanation: