||These are sodium salts of long chain fatty acids.
||These are sodium salts of a long chain of benzene sulphonic acid.
||These are prepared from plants or animals fats.
||These are prepared from hydrocarbon of petroleum.
||Relatively weak cleansing action.
||Relatively strong cleansing action.
||Not suitable for washing with hard water.
||Suitable for washing with hard water.
||Insoluble or less soluble in hard water.
||Easily soluble in hard water.
||Biodegradable in nature.
||Non biodegradable in nature.
||These are harmful to skin.
||These are not so harmful to skin.
||These are not suitable for delicate clothes.
||These are suitable for delicate clothes.
||These are cheap.
||These are expensive or costly.
||They clean better in hot water.
||They clean in both hot or cold water.
||Examples: sodium stearate (C7H35COONa).
||Examples: sodium lauryl sulphate (C12H25SO4– Na+).