Name: Are We Unknowingly Polluting the Water?
Uploaded: 2019-07-19
Duration: 2 min 52 s
Description: We have heard and read that water is polluted if we throw waste into it. Let us see a visual and real-life experiment to get a better understanding of it.

Question

Mix each of the following things with water and see what happens. Write your observation in the table.

What did you observe? Put () mark in the right places.

Things	Dissolved (mixed) in water	Did not dissolve in water	Colour of water changes	Colour of water does not change
Sugar
Salt
Lemon juice
Haldi
Soap water
Flour
Sherbet
Cooking soda
Oil (Mustard, Til or any other)

Now on the basis of your observations tell:

Does the colour of the water always change?

Accepted Answer

Things
Dissolved
(mixed)
in water
Did not
dissolve
in water
Colour of water
changes
Colour of water
does not change

Sugar

Salt

Lemon juice

Haldi

Soap water

Flour

Dal

Sherbet

Cooking soda

Oil (Mustard,
Til or any other)

Water is a colourless and shapeless matter. The colour of the water does not always change. Sometimes water changes its colour when substances are insoluble in it. While sometimes, like in the case of sherbet, even though the substance completely dissolves in water there is still a colour change.

Important Questions on A River's Tale

Learn and Prepare for any exam you want !