Chemistry For extinguishing fire, we use Carbon Dioxide Marsh gas Hydrogen Carbon Monoxide Carbon Dioxide Marsh gas Hydrogen Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Sodium chloride Silver bromide Aluminium hydroxide Potassium nitrate Sodium chloride Silver bromide Aluminium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : None of the options Elimination reaction Addition reaction Substitution reaction None of the options Elimination reaction Addition reaction Substitution reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Terricot Rayon Nylon Cotton Terricot Rayon Nylon Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Lead Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP