EASY
10th CBSE
IMPORTANT
Earn 100

State one characteristic of the chemical reaction which takes place when lemon juice is added gradually to potassium permanganate solution

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Long Answer Type Questions>Q 34
State one characteristic of the chemical reaction which takes place when dilute sulphuric acid is added to barium chloride solution.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Long Answer Type Questions>Q 34
State one characteristic of the chemical reaction which takes place when quicklime is treated with water.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Long Answer Type Questions>Q 34
State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Long Answer Type Questions>Q 35
What do you understand by exothermic and endothermic reactions?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Long Answer Type Questions>Q 35
Give one example of an exothermic reaction and one of an endothermic reaction.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Long Answer Type Questions>Q 35
Which of the following are endothermic reactions and which are exothermic reactions?
(i) Burning of natural gas
(ii) Photosynthesis
(iii) Electrolysis of water
(iv) Respiration
(v) Decomposition of calcium carbonate
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Multiple Choice Questions (MCQs)>Q 36
One of the following does not happen during a chemical reaction. This is:
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions and Equations>Multiple Choice Questions (MCQs)>Q 37
Which of the following does not involve a chemical reaction?