(a) Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
(b) Write balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.

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Solution

(a) Ca(CO₃) (s) + 2HCl (aq) $\to$ CaCl₂ (aq) + H₂O (l) + CO₂ (g)

(b) NaOH (aq) + HCl (aq) $\to$ NaCl (aq) + H₂O (l)

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Similar questions

Q. Write the balanced equation for the following reaction and add the state symbols.

(a) Magnesium, carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide and water.

(b) Sodium hydroxide reacts with sulphuric acid to produced sodium sulphate and water.

Q. Write a balanced chemical equation with state symbols for the following reactions.
Sodium hydroxide solution (in water) reacts with a hydrochloric acid solution (in water) to produce sodium chloride solution and water.

Question 3.2

Write a balanced chemical equation and state symbols for the reaction:
Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

Write a balanced chemical equation with state symbols for the following reactions.

(i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.

(ii) Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

Q. Write balanced chemical equations for each of the following reactions
1. Carbon dioxide Marble dissolves in hydrochloric acid to give calcium chloride water and carbon dioxide
2. Silver nitrate reacts with copper to produce copper nitrate and silver metal
3. Carbon dioxide gas is passed over lime water to form a precipitate of calcium carbonate
4. Aluminium Sulphate acts with Sodium Hydroxide to form precipitate of aluminium hydroxide and the solution of sodium sulphate
5. Barium Chloride solution reacts with sulphuric acid to form precipitate of Barium sulphate and solution of hydrochloric acid.

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(a) Ca(CO3) (s) + 2HCl (aq) → CaCl2 (aq) + H2O (l) + CO2 (g) (b) NaOH (aq) + HCl (aq) → NaCl (aq) + H2O (l)

(a) Ca(CO₃) (s) + 2HCl (aq) $\to$ CaCl₂ (aq) + H₂O (l) + CO₂ (g)

(b) NaOH (aq) + HCl (aq) $\to$ NaCl (aq) + H₂O (l)