3. Answer the following questions in 30–40 words:
b) How do metals react with water? Illustrate your answer with two examples.
c) Isha wore a polyester lab coat to school as it was easy to wash and did not wrinkle. However, her teacher did not allow her to attend the laboratory session. Why do you think her teacher did so?
d) Can pickles be stored in jars made of either zinc, copper, or aluminium? Why or why not?
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Answer:
I don't know I am in 1class
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Answer:
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Explanation:
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