Chemical Equation and its Balancing

IMPORTANT

Chemical Equation and its Balancing: Overview

In this topic, we will learn to read and write a chemical equation. It explains the characteristics and limitations of a chemical equation. We will also learn to balance an equation with the aid of examples.

Important Questions on Chemical Equation and its Balancing

HARD
IMPORTANT

Describe any three characteristics of chemical equation.

EASY
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Which gas is formed when Zn reacts with dilute H2SO4?

EASY
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What is the coefficient of Al in 2Al + 6HCl → 2AlCl3 + 3H2?

EASY
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Which type of reaction is H2 + Cl2 → 2HCl?

EASY
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Which of the following is a redox reaction?

EASY
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What is the coefficient of Fe in the balanced equation Fe2O3 + H2 → Fe + H2O?

EASY
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Which compound reacts with HCl to form CO2?

EASY
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Which law is verified by balancing a chemical equation?

EASY
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Which is the correct balanced equation for the combustion of C3H8?

EASY
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What happens when potassium reacts with water?

EASY
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What type of reaction is NH3 + HCl → NH4Cl?

EASY
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What is the coefficient of HCl in the balanced reaction Mg + HCl → MgCl2 + H2?

EASY
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What type of reaction is Zn + H2SO4 → ZnSO4 + H2?

EASY
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Which of the following must be true for a chemical equation to be balanced?

EASY
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What is the product of Fe + H2SO4?

EASY
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Which of the following represents a decomposition reaction?

EASY
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What is the coefficient of O2 in the balanced equation CH4 + O2 → CO2 + H2O?

EASY
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Which of the following is the product of Na + H2O?

EASY
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What does a balanced chemical equation represent?

EASY
IMPORTANT

Which is the correct balanced form of the reaction: H2 + O2 → H2O?