4. Answer the following questions in 60-80 words:
a) Describe the process of making silk.
nich between physical and chemical changes. 8 marks
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Explanation:
The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.
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