Question

Q3. Answer the following questions:
1. What is classification? Write any two properties of matter.
2. What is roughage? What is its function?
3. Why do the fumes of a lighted agarbatti spread very quickly in a room?
4. Why is goitre not prevalent among the people of coastal areas?
5. Define: - A Saturated solution.
6. Write the full form of the term ‘PCM'. Write two symptoms of Kwashiorkor.
7.Briefly describe an activity fo show that pure water is a transparent liquid.
8. In which state of matter the rate of diffusion is maximum? Why solids do not diffuse with
each other?​

Answer 1

Answer:

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