Question

select the colloidal solution from soap+water;salt+water;sand+water;fog​

Answer 1

Answer:

Explanation:

Soap make maximum foam it soft water rain water soft because it does not contain dissolved salt of calcium and magnesium whereas river water and salt are hard due to presence of dissolved salt

So soap will form maximum form with rain water

Answer 2

The colloidal solution from the given options is combination of soap + water.

• A colloidal solution is the mixture in which the elements are suspended in a fluid on a constant basis.
• The solution consisting of a soap is called a soap solution. It is also a colloidal solution, as it has a medium of dispersion and also dispersed phase.
• Soap is a colloid consisting of tiny materials that disperse in water. Also, Soaps make up maximum foam in soft water. Soap also makes foam with rain water as well.