Question

What happen when dilute hydrochloric acid is added to the following a) sodium hydroxide b) zinc metal. c) sodium hydrogen carbonates

Answer 1

(i) When dilute Hydrochloric acid is added to Sodium Hydroxide it forms Sodium Chloride and Water

HCl + NaOH ⇒ NaCl + H₂o

(ii) When Hydrochloric Acid is added to Zinc metal it forms Zinc Chloride and Hydroggen gas

HCl + Zn ⇒ ZnCl₂ + H₂

(iii)When Hydrochloric acid is addid to Sodium Hydrogen Carbonate it forms Sodium Chloride, carbon dioxide and Water.

HCl +  Na₂CO₃  ⇒ NaCl + Co₂ + H₂O

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Answer 2

(i) When dilute Hydrochloric acid is added to Sodium Hydroxide it forms Sodium Chloride and Water

HCl + NaOH ⇒ NaCl + H₂o

(ii) When Hydrochloric Acid is added to Zinc metal it forms Zinc Chloride and Hydroggen gas

HCl + Zn ⇒ ZnCl₂ + H₂

(iii)When Hydrochloric acid is addid to Sodium Hydrogen Carbonate it forms Sodium Chloride, carbon dioxide and Water.

HCl + Na₂CO₃ ⇒ NaCl + Co₂ + H₂O