Physics, asked by cat5715, 3 months ago

6. Observe the picture of tarnished silver cutlery
a) Why are the cutlery items tarnished?
b) What kind of change is it ? Explain. Do you observe more than one type of change?
Name them.
c) Why do water pipelines burst in winters in the cold regions? Explain
d) Do you agree with the statement “all physical changes are reversible”?

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Answered by samiyawagle1983

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