MEDIUM
10th CBSE
IMPORTANT
Earn 100

Is respiration an endothermic or exothermic reaction? Give reasons.

Important Questions on Chemical Reactions and Equations

HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 2>Q 10
Give an example of chemical reaction that is characterized by a change in their physical state.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 2>Q 11
Give an example of chemical reaction that is characterized by change in colour.
HARD
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 2>Q 12
What happens when sulphur dioxide gas is passed through the solution of acidified potassium dichromate?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 3>Q 1
Define a chemical equation.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 3>Q 2
What are the steps included while writing a chemical equation?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 3>Q 3
What is meant by word equation? Give an example.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 3>Q 4
Differentiate between balanced and unbalanced equation with an example for each.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>PAPER - PEN TEST : 3>Q 5
What is meant by balancing of a chemical equation?