Chemistry Main source of lead pollution is from Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Carbon dioxide Alcohol Chlorine Sodium chloride Carbon dioxide Alcohol Chlorine Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n n-2 n3 n2 n n-2 n3 n2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Coke Lignite Anthracite Bituminous Coke Lignite Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea animals are salt producing Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea animals are salt producing Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Pesticide Disinfectant Insecticide Fertilizer Pesticide Disinfectant Insecticide Fertilizer ANSWER DOWNLOAD EXAMIANS APP