Chemistry Which of the following is secondary air pollutant ? Photochemical smog NO2 Dust particles SO2 Photochemical smog NO2 Dust particles SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Borax Saltpetre Sodium chloride Hydrogen peroxide Borax Saltpetre Sodium chloride Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Nylon Rayon Terricot Cotton Nylon Rayon Terricot ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Peat Lignite Bituminous Anthracite Peat Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbohydrates Hydrocarbons Carbides Carbonates Carbohydrates Hydrocarbons Carbides Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Addition Substitution Elimination Oxidation Addition Substitution Elimination ANSWER DOWNLOAD EXAMIANS APP