Write equations for the following reactions:

1) Aluminium oxide and sodium hydroxide.

2) Concentrated sulphuric acid and sugar.

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Solution

1) $A l_{2} O_{3} (s) + 2 N a O H (a q) \to 2 N a A l O_{2} (a q) + H_{2} O (l)$

2) When sulphuric acid reacts with sugar it forms carbon and water molecules.

Reaction: $C_{12} H_{22} O_{11} c o n c . H_{2} S O_{4} - ------ \to 12 C + 11 H_{2} O$ .

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Similar questions

Write the balanced chemical equations of the following reactions.

(a) Sodium hydroxide + sulphuric acid $\to$ sodium sulphate + water

(b) Potassium bicarbonate + sulphuric acid $\to$ potassium sulphate + carbon dioxide + water

(d) Chlorine + sulphur dioxide + water $\to$ sulphuric acid + hydrogen chloride

(e) Silver nitrate $\to$ silver + nitrogen dioxide + oxygen

(f) Copper + nitric acid $\to$ copper nitrate + nitric oxide + water

(g) Ammonia + oxygen $\to$ nitric oxide + water

(h) Barium chloride + sulphuric acid $\to$ barium sulphate + hydrochloric acid

(i) Zinc sulphide + oxygen $\to$ zinc oxide + sulphur dioxide

(j) Aluminium carbide + water $\to$ aluminium hydroxide + methane

(k) Iron pyrites ( $F e S_{2}$ ) + oxygen $\to$ ferric oxide + sulphur dioxide

(l) Potassium permanganate + hydrochloric acid $\to$ potassium chloride + manganese chloride + chlorine + water

(m) Aluminium sulphate + sodium hydroxide $\to$ sodium sulphate + sodium meta aluminate + water.

(n) Aluminium + sodium hydroxide + water $\to$ sodium meta aluminate + hydrogen

(o) Potassium dichromate + sulphuric acid $\to$ potassium chloride + chromium chloride + water + chlorine.

(p) Sulphur + nitric acid $\to$ sulphuric acid + nitrogen dioxide + water.

(q) Sodium chloride + manganese dioxide + sulphuric acid $\to$ sodium hydrogen sulphate + manganese sulphate + water + chlorine.

Q. Write balanced equation for reaction between sodium nitrate and concentrated sulphuric acid.

Write the equation for each of the following reactions:
(i) Sulphur is heated with concentrated sulphuric acid.
(ii) Concentrated sulphuric acid is poured over sugar.

(a) Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.

(b) Balance the following chemical equation.

$M n O_{2}$ + HCl $⟶$ $M n C l_{2}$ + $C l_{2}$ + $H_{2} O$

Balanced equation for the reaction between aluminium oxide and sodium hydroxide solution is :

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Write equations for the following reactions:1) Aluminium oxide and sodium hydroxide. 2) Concentrated sulphuric acid and sugar.

1) Al2O3(s)+2NaOH(aq)→2NaAlO2(aq)+H2O(l) 2) When sulphuric acid reacts with sugar it forms carbon and water molecules.Reaction: C12H22O11conc. H2SO4−−−−−−−→12C+11H2O.

Write equations for the following reactions:

1) Aluminium oxide and sodium hydroxide.

2) Concentrated sulphuric acid and sugar.

1) $A l_{2} O_{3} (s) + 2 N a O H (a q) \to 2 N a A l O_{2} (a q) + H_{2} O (l)$

2) When sulphuric acid reacts with sugar it forms carbon and water molecules.

Reaction: $C_{12} H_{22} O_{11} c o n c . H_{2} S O_{4} - ------ \to 12 C + 11 H_{2} O$ .