Question

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Answer 1

Answer:

1.granite is fragile and works as resisitor more than a conductor is not flexible and is stiff .it is also brittle.

2.pickles contains acid and as metals react with acids ,they cannot be consumed by humans as it is harmful

Explanation:

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Answer 2

Answer:

1).Graphite is not used for making wires because it is the only non metal which conducts electricity. So, due to this it can flow electricity very easily through it.

2). Pickles contain acid in it. So, If stored in metal containers they can react with metal and produce salt and hydrogen gas which eventually destroy the pickles.