MEDIUM
10th CBSE
IMPORTANT
Earn 100

Give one example of each showing exothermic and endothermic dissolution in water.

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Which of the following product is formed during photosynthesis in plants? (Carbon Dioxide/ Glucose)
MEDIUM
10th CBSE
IMPORTANT
Define physical and chemical changes.
MEDIUM
10th CBSE
IMPORTANT
Define physical and chemical changes and compare their important characteristics. What are the conditions necessary for a chemical change?
HARD
10th CBSE
IMPORTANT
What is a chemical equation and what are the necessary conditions to be fulfilled by it? How is it written and balanced? Give an example.
HARD
10th CBSE
IMPORTANT
Discuss with an example the qualitative and quantitative information provided by a chemical equation.
MEDIUM
10th CBSE
IMPORTANT
What are the limitations of a chemical equation and how is it made more informative?
MEDIUM
10th CBSE
IMPORTANT
Give a brief account of different types of chemical reactions and illustrate with an example in each case.
MEDIUM
10th CBSE
IMPORTANT
Write short notes on: Combination reaction