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The bristles of toothbrush are made up of nylon. Which of the following properties of nylon make it most suitable for this purpose ?
I) High water absorption tendency
II) More strength in wet condition
III) Resistance towards bacteria and fungus
IV) Transparency, clarity and weight

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An Intiative by Sri Chaitanya

I and II

I, II and III

II and III

I and IV

answer is C.

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Detailed Solution

Nylon does not absorb water, so it is useful for long time use as cleaning of tooths.

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