1.

Take a used ballpen refill and rub it vigorously with a piece of polythene. What happens when we bring the refill close to small pieces of paper. Give a reason for this. [2 MARKS]

Answer»

Take a used ballpen refill and rub it vigorously with a piece of polythene. What happens when we bring the refill close to small pieces of paper. Give a reason for this.
[2 MARKS]



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