Soaps and Detergents
Soaps and Detergents: Overview
In this topic, we will learn that detergents are sodium or potassium salts of long-chain alkyl benzene sulphonic acid. Soaps are sodium or potassium salts of long-chain fatty acids. Both are used for cleansing purposes. Soaps show cleansing action by forming micelles around dirt.
Important Questions on Soaps and Detergents
The critical micelle concentration (CMC) is
Detergent does not form scum with _____ water.
Which of these can be used for the preparation of soap?
Which ions are responsible for making water hard?
Which of the following molecular formula represents a soap?
The soap molecules, thus form structures called _____ where one end of the molecules is towards the oil droplet while the ionic-end faces outside.
In washing powders, certain chemicals are added to impart certain properties. Name the chemical used to remove dust particles. (Sodium tripolyphosphate / Triphosphoric acid)
A soap molecule is made up of long hydrocarbon chain, with alcoholic group () at one end.
