Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sludge Sewage Sewer Scum Sludge Sewage Sewer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cadmium Chromium Copper Cobalt Cadmium Chromium Copper Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Mercury Copper Silver Aluminium Mercury Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coal Coke Graphite Carbon black Coal Coke Graphite Carbon black ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water No heat change takes place Heat is absorbed Heat is liberated Temperature decreases No heat change takes place Heat is absorbed Heat is liberated Temperature decreases ANSWER DOWNLOAD EXAMIANS APP