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    				| 1. | What do you understand by the following:(i) Analysis(ii) Qualitative analysis(iii) Reagent(iv) Precipitation | 
| Answer» (i) Analysis: The determination of chemical components in a given sample is called analysis. (ii) Qualitative analysis: The analysis which involves the identification of the unknown substances in a given sample is called qualitative analysis. (iii) Reagent: A reagent is a substance that reacts with another substance. (iv) Precipitation: It is the process of formation of an insoluble solid when solutions are mixed. The solid thus formed is called precipitate. | |