Question

anita mix a powder in water after some time the observed that powder settle down. which type of substance is that powder?​

Answer 1

Answer:

The powder is an insoluble substance.

Explanation:

That is because it doesn't dissolve in the water. It is also denser than water .

Answer 2

Answer:

The powder refered to here is absolutely insoluble substance

Explanation:

Insoluble substance:

Those substance, that can not dissolve in water..

Why?

Insoluble substances don't mix on any try, and as you refered to a powder here, it don't dissolve in water, so it is an insoluble substance.

whereas,

Soluble substances, like sugar, salt etc beak down into smaller parts and get into the spaces of the molecules of water... That is called dissolution..

here,

powder don't dissolve and thus due to the influence of gravity, it settles down..

Some insoluble substances : talc power, chalk, sand.

By SomeOneThere, hope it helped...