Common Names & Chemical Formulas Questions with Solutions

This topic covers the common names, chemical names and formulas of everyday substances, such as common salt, baking soda, washing soda, bleaching powder, plaster of Paris, gypsum, quicklime and blue vitriol, along with the Latin names and symbols of elements. These are high-frequency memory questions. For example, baking soda is sodium hydrogen carbonate (NaHCO3), washing soda is Na2CO3.10H2O, and blue vitriol is copper sulphate pentahydrate. Remember the elements whose symbols come from Latin names, such as Na (natrium) for sodium, Fe (ferrum) for iron and Ag (argentum) for silver. Practise the common names and chemical formulas questions below, written in the style of the general awareness sections of exams such as SSC, banking, railways, CUET GAT, MAH CET and CLAT. Each question comes with a detailed explanation that adds related facts, so every question helps you revise more than one point.