010. Long answer type questions
1. State the properties that make natural fibres better than synthetic fibres,
Explain how burning of paper is different from tearing it?
2. Give the construction, working and uses of a simple dry cell
OR
Give the construction, working and uses of an electric torch .
3. What do you understand by rain water harvesting? What is its Importance?
OR
What do you understand by "Water Cycle" ? How is it in an importance phenomenon?
Answers
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Answer:
Q1
dont know
Q2
as burning of paper is a chemichal change whereas tearing of paper is a physical change
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