HARD
10th CBSE
IMPORTANT
Earn 100

State the difference between balanced and unbalanced chemical equations.

Important Questions on Chemical Reactions and Equations

HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 18
How can the physical states of the reactants and products be shown in a chemical equation? Explain with a suitable example.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 19

How will you indicate a solution made in water in a chemical equation?

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 19

How will you indicate exothermic reaction in a chemical equation?

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 19
How will you indicate endothermic reaction in a chemical equation?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 19
How will you indicate the formation of an insoluble compound in a chemical equation?
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 20
What are the various ways in which a chemical equation can be made more informative? Give examples to illustrate your answer.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 21

Write a balanced chemical equation from the following information.

An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce solid calcium carbonate and water.

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 1 - Chemical Reactions and Equations>Practice Questions Set>Q 22

Write balanced chemical equations for the following reaction.

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