make a separate separate three worksheets of science class 7th CBSE of chapter number 3 fibre and fabric chapter number 4 heat and chapter number 5 acid base and salt please
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Explanation:
Q1. What is heat ?
Q2. what is basis different between the Acid and Base ?
Q3. write the process of making fiber from fabric
Q 4 write the difference between of the following :-
1. Natural and synthetic fibres
2. wool and silk.
Q5. define
1. Rearing
2. shearing
3. sericulture
Q6. Describe life cycle of silk moth.
Q 7. what is the vital raw of heat in our daily life ?
Q8. How will you say that ingredients in your front is acid,base,salt ?
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