MEDIUM
10th CBSE
IMPORTANT
Earn 100

Giving examples, state the difference between balanced and unbalanced chemical equations

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Short Answer Type Questions>Q 18
Balance the following chemical equation:
NH3⟶N2+H2
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Short Answer Type Questions>Q 18

Balance the following chemical equations:

C+CO2⟶CO

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Short Answer Type Questions>Q 19
When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are:
(i) elements
(ii) compounds
(iii) reactants
(iv) products
(v) metals
(vi) non-metals
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Short Answer Type Questions>Q 20
What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Short Answer Type Questions>Q 20
Write a balanced chemical equation from the following information:
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Short Answer Type Questions>Q 21
What is a balanced chemical equation? Why should chemical equations be balanced?
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 (AlCl3). 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.