Chemistry Quartz is made of Sodium Silicate Sodium Sulphate Calcium Silicate Calcium Sulphate Sodium Silicate Sodium Sulphate Calcium Silicate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon Carbon dioxide Sulphur dioxide Ethane Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Bacillus subtilis Escherichia coli Pseudomonas putida Saccharomyces cerevisiae Bacillus subtilis Escherichia coli Pseudomonas putida Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Oxygen Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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