Question

which of the following can observe less water​

Answer 1

Answer:Most “synthetic” fibers like polyethylene, polypropylene, polyester are hydrophobic. Your least water absorbing fibres will likely fall within this class.

If you start derivatizing these with functional groups, carboxylic acids, sulfonic acids, that’s when you start absorbing water…so you don’t want that.

There are mixed fibres. Take, fibres used in sports clothing for instance. These are moisture wicking and are of “synthetic” origin. Often two layers are present-the one closest to the skin-absorbs water. The one away from the skin repels water.

These are also easy to prepare-after you cater for water repellency, by immersing your textile in water repellents, then follow up with heat processing of your textile to obtain the final form.

Explanation:

Answer 2

Answer:

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The aluminum and plastic.

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