Write the balanced chemical equations for the following chemical reactions:
(a) Aqueous solution of sulphuric acid and sodium hydroxide react to form aqueous sodium sulphate and water.
(b) Phosphorus burns in chlorine gas to form phosphorus pentachloride.

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Solution

H₂SO₄(aq) + NaOH(aq) = Na₂SO₄(aq) + H₂O(l)

P₄(s) + 10Cl₂(g) = 4PCl₅(g)

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Q. Balance the chemical equation by including the physical states of the substances for the following reactions.

a) Barium chloride and sodium sulphate aqueous solutions react to give insoluble Barium sulphate and an aqueous solution of sodium chloride.

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Write a balanced chemical equation for each of the following :

1. Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.

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3. Methyl alcohol burns in air to form carbon dioxide and water.

4. Liquid hydrogen peroxide decomposes to give water and oxygen gas.

5. Aluminium hydroxide reacts with sulphuric acid to give ammonium sulphate and water.

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(b) Balance the following equation and add state symbols:

Zn + HCl \underset{}{\to} {ZnCl}_{2} + H_{2}

(c) Convey the following information in the form of a balanced chemical equation:
"An aqueous solution of ferrous sulphate reacts with an aqueous solution of sodium hydroxide to form a precipitate of ferrous hydroxide and sodium sulphate remains in solution."

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.

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(b) Balance the following equation and add state symbols :

$Z n + H C l ⟶ Z n C l_{2} + H_{2}$

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Write the balanced chemical equations for the following chemical reactions: (a) Aqueous solution of sulphuric acid and sodium hydroxide react to form aqueous sodium sulphate and water. (b) Phosphorus burns in chlorine gas to form phosphorus pentachloride.

H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) ​P4(s) + 10Cl2(g) = 4PCl5(g)

Write the balanced chemical equations for the following chemical reactions:
(a) Aqueous solution of sulphuric acid and sodium hydroxide react to form aqueous sodium sulphate and water.
(b) Phosphorus burns in chlorine gas to form phosphorus pentachloride.

H₂SO₄(aq) + NaOH(aq) = Na₂SO₄(aq) + H₂O(l)

P₄(s) + 10Cl₂(g) = 4PCl₅(g)