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Irreversible Change

Classify the ...

Question

Classify the following change as chemical or physical
a) When a spider's saliva is used to make its web
Give reason also

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Solution

1. This is a chemical change.

2. This is because, the saliva of spider is converted to polymeric web compound.

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Which of the following can be classified into physical and chemical change? Also mention whether it's a reversible or irreversible change

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Irreversible Change

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