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

Important Questions on Chemical Reactions And Equations

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 21

Aluminium burns in chlorine to form aluminium chloride

({AlCl}_{3})

. Write a balanced chemical equation for this reaction.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 21

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. Write a balanced chemical equation for this reaction.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 22

Explain, with an example, how the physical states of the reactants and products can be shown in a chemical equation.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 22

Balance the following equation and add state symbols:

Zn + HCl ⟶ {ZnCl}_{2} + H_{2}

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 22

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."

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 23

Write any two observations in an activity which may suggest that a chemical reaction has taken place. Give an example in support of your answer.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 24

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

EASY

10th CBSE