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Chemical Reactions and Equations

Translate the following statements into chemical equations and

Science

Class 10

NCERT

Chapter 1: Chemical Reactions and Equations

34 questions

What is a balanced chemical equation? Why should chemical equations be balanced?

Translate the following statements into chemical equations and then balance them:

(a) Hydrogen gas combines with nitrogen to form ammonia.
(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
(c) Barium chloride reacts with aluium sulphate to give aluium chloride and a precipitate of barium sulphate.
(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

Balance the following chemical equations:

(a)

H N O_{3} + C a (O H)_{2} \to C a (N O_{3})_{2} + H_{2} O

(b)

N a O H + H_{2} S O_{4} \to N a_{2} S O_{4} + H_{2} O

(c)

N a Cl + A g N O_{3} \to A g Cl + N a N O_{3}

(d)

B a Cl_{2} + H_{2} S O_{4} \to B a S O_{4} + H Cl

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Question

Medium

Solving time: 5 mins

Translate the following statements into chemical equations and then balance them:

(a) Hydrogen gas combines with nitrogen to form ammonia.
(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
(c) Barium chloride reacts with aluium sulphate to give aluium chloride and a precipitate of barium sulphate.
(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

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Updated on: Apr 7, 2023

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Science (NCERT)

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Text solutionVerified

(a) Hydrogen gas combines with nitrogen to form ammonia.

H_{2} (g) + N_{2} (g) \to N H_{3}

The balanced equation for this reaction can be written as:

3 H_{2} (g) + N_{2} (g) \to 2 N H_{3}

(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.

H_{2} S (g) + O_{2} (g) \to H_{2} O + S O_{2}

The balanced equation for this reaction can be written as:

2 H_{2} S (g) + 3 O_{2} (g) \to 2 H_{2} O + 2 S O_{2}

B a C l_{2} + A l_{2} (S O_{4})_{3} \to A lC l_{3} + B a S O_{4} ↓

The balanced equation for this reaction can be written as:

3 B a C l_{2} + A l_{2} (S O_{4})_{3} \to 2 A lC l_{3} + 3 B a S O_{4} ↓

(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

K + H_{2} O \to K O H + H_{2}

The balanced equation for this reaction can be written as:

2 K + 2 H_{2} O \to 2 K O H + H_{2}

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Practice more questions from Science (NCERT)

What is a balanced chemical equation? Why should chemical equations be balanced?

Translate the following statements into chemical equations and then balance them:

Balance the following chemical equations:

(a)

H N O_{3} + C a (O H)_{2} \to C a (N O_{3})_{2} + H_{2} O

(b)

N a O H + H_{2} S O_{4} \to N a_{2} S O_{4} + H_{2} O

(c)

N a Cl + A g N O_{3} \to A g Cl + N a N O_{3}

(d)

B a Cl_{2} + H_{2} S O_{4} \to B a S O_{4} + H Cl

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Question Text	Translate the following statements into chemical equations and then balance them: (a) Hydrogen gas combines with nitrogen to form ammonia. (b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide. (c) Barium chloride reacts with aluium sulphate to give aluium chloride and a precipitate of barium sulphate. (d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
Updated On	Apr 7, 2023
Topic	Chemical Reactions and Equations
Subject	Science
Class	Class 10
Answer Type	Text solution:1 Video solution: 7
Upvotes	665
Avg. Video Duration	5 min

Text solutionVerified

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