Chemistry Which metal is extracted from sea water? Potassium Aluminium Beryllium Magnesium Potassium Aluminium Beryllium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Manganese None of these Magnesium Calcium Manganese None of these Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Uranium Sodium Thorium Potassium Uranium Sodium Thorium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Hydroxysalicylate Alkylsalicylic acid Methyl salicylate Acetylsalicylic acid Hydroxysalicylate Alkylsalicylic acid Methyl salicylate Acetylsalicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Bacillus subtilis Pseudomonas putida Saccharomyces cerevisiae Escherichia coli Bacillus subtilis Pseudomonas putida Saccharomyces cerevisiae Escherichia coli ANSWER DOWNLOAD EXAMIANS APP