Classify the following changes in as many ways as possible.
a) Germination of seed b) Glowing of an electric bulb
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Answer:
Classify the following changes in as many ways as possible.
(a) Germination of seeds
(b) Glowing of an electric bulb
2. Define a physical and a chemical change. Give an example of each.
3. Give reasons to support that melting of a solid and freezing of a liquid are physical changes.
4. Show by a simple experiment that a change involves interaction between two or more substance
or bodies.
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Answer:
a) slow change, chemical change
b) Fast change, physical change
Explanation:
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