Dirty clothes get cleaned when detergent is added to the water. Do you think the same cleaning would
happen if they were washed only with water? Justify your answer.
Answers
Answer:
No i don't think the same cleaning would happen if they were washed only with water.
Because detergent contains certain chemicals which help in removal of dirt from clothes and promotes cleansing action of clothes only water is not more effective as a detergent.
Answer:
A detergent is a chemical that you use to remove grime and grease. More technically, it is a mixture of ‘surfactants' that possess cleaning properties in diluted solutions.
Water molecules have a tendency to stick together, as opposed to losing their fellow water molecules’ company and sticking to other surfaces. This happens as a result of something known as the ‘surface tension’ of water. Surface tension is the reason why water droplets are spherical in shape, as a sphere is the shape that minimizes surface tension among water molecules.
In order to make water molecules spread/diffuse on a given surface, you have to reduce their surface tension.
This is where surfactants enter the picture. Surfactants are substances that help lower the surface tension of water molecules, thus ‘persuading’ them to wet things more uniformly and clean them properly.