Question

Ramesh mother emptied a poly pack of pulses into a container some of the pulse grains got stuck to the polythene and did not fall in the containar. give reason.

Answer 1

These polymers  possess inter-molecular forces of attraction intermediate in strength between  those in elastomers and fibers

Answer 2

Answer:

• When the Poly Pack is filled with the Pulses, a electrostatic force of attraction is created between the Poly pack and the Pulses.

• When the Poly Pack is emptied, some pulses remains stuck due to the Electrostatic Force only.

• This Force attracts the Oppositely Charged Poly Pack Molecules and the Pulses.

Thats all

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