Chemistry Submarines move under water. They have engines that run on Batteries Steam Diesel Petrol and oxygen Batteries Steam Diesel Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Ammonia Chlorine Hydrogen sulphide Carbon dioxide Ammonia Chlorine Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Bacillus subtilis Escherichia coli Saccharomyces cerevisiae Pseudomonas putida Bacillus subtilis Escherichia coli Saccharomyces cerevisiae Pseudomonas putida ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Potassium cyanide Zinc oxide Lead nitrate Zinc phosphide Potassium cyanide Zinc oxide Lead nitrate Zinc phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Alum Activated carbon Bleach Deactivated nitrogen Alum Activated carbon Bleach Deactivated nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Copper and chromium Chromium and nickel Copper and nickel Manganese and copper Copper and chromium Chromium and nickel Copper and nickel Manganese and copper ANSWER DOWNLOAD EXAMIANS APP
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