Sodium benzoate is widely used as food preservative. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid
The Swatantrata Party was an Indian conservati ve political party that existed from 1959 to 1974. It was founded by C. Rajagopalchari in reaction to what he felt was the Jawaharlal Nehru - dominated Indian National Congress
A positive income elasticity of demand is associated with normal goods: an increase in income will lead to a rise in demand. If income elasticity of demand of a commodity is less than 1, i t is a necessi ty good. I f the elasticity of demand is greater than 1, it is a luxury good or a superior good.