Chemistry Ultra purification of a metal is done by : Leaching Zone melting Slugging Smelting Leaching Zone melting Slugging Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Element Heterogeneous mixture Homogeneous mixture Compound Element Heterogeneous mixture Homogeneous mixture Compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium chloride Calcium nitrate Calcium sulphate Calcium carbonate Calcium chloride Calcium nitrate Calcium sulphate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Atomic bombs Electric heaters A battery Dynamo Atomic bombs Electric heaters A battery Dynamo ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Saccharomyces cerevisiae Bacillus subtilis Escherichia coli Pseudomonas putida Saccharomyces cerevisiae Bacillus subtilis Escherichia coli Pseudomonas putida ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS