Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Cinnamic acid Benzoic acid Phthalic acid Oxalic acid Cinnamic acid Benzoic acid Phthalic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Nitrogen dioxide Sulphur dioxide Methyl isocyanate Carbon dioxide Nitrogen dioxide Sulphur dioxide Methyl isocyanate Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an oxidation reaction an addition reaction an elimination reaction a condensation reaction an oxidation reaction an addition reaction an elimination reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Fog Sleet Mist Smog Fog Sleet Mist Smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Hydrochloric acid Sulphuric acid Nitric acid Lactic acid Hydrochloric acid Sulphuric acid Nitric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Coal Lignite Petroleum Biomass Coal Lignite Petroleum Biomass ANSWER DOWNLOAD EXAMIANS APP