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The objective of advertising differ under different situations. One advertiser may attempt to generate immediate response in the customer; another may aim to develop awareness orpositive image due to the product over the longer timeframe. So they need several types of advertisements. Now a days service advertisement can also be quite normal, like financial advertisements, banking advertisement etc. Sodium hydroxide is amongst the most dangerous chemicals. It is probably the strongest alkaline, known as caustic soda or lye. It is white, odorless and non-volatile in aqueous solutions. It is not readily flammable. However, it is just a highly reactive substance. It forms an exothermic solution with water, evolving heat that might ignite combustible materials nearby. Its reaction along with other metals yields hydrogen gas which ignites within the presence of oxygen. Moreover, fine is quite corrosive.