Question

write the balanced chemical equation for the following reaction. 1. zinc and hydrochloric acid react to give zinc chloride and hydrogen. 2. sodium metal react with water to give sodium hydroxide and hydrogen gas. 3. carbon dioxide passed through lime water gives white turbidity due to the formation of calcium carbonate​

Answer 1

Answer:

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1. Zn + Hcl -- ZnCl2 + H2 ( skeletal equation)

Balanced Equation : Zn + 2Hcl -- 2 ZnCl2 + h2

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Answer 2

Answer:

1. Zn + 2HCl -> ZnCl₂ + H₂

2. 2Na + 2H₂0 -> 2NaOH + H₂

3. CO₂ + Ca(OH)₂ -> CaCO₃ + H₂O