Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an addition reaction an oxidation reaction an elimination reaction a condensation reaction an addition reaction an oxidation reaction an elimination reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Copper Lead Cadmium Chromium Copper Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Methane and carbon monoxide Isobutane and propane Methane and carbon dioxide Carbon dioxide and oxygen Methane and carbon monoxide Isobutane and propane Methane and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 50 100 500 200 50 100 500 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Aqueous brine solution Its cyanide complex Molten sodium chloride Molten sodium carbonate Aqueous brine solution Its cyanide complex Molten sodium chloride Molten sodium carbonate ANSWER DOWNLOAD EXAMIANS APP