Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Oxidation Adsorption Reduction Bleaching Oxidation Adsorption Reduction Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Phthalic acid Benzoic Acid Salicylic acid Terephthalic acid Phthalic acid Benzoic Acid Salicylic acid Terephthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Saccharomyces cerevisiae Pseudomonas putida Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli Bacillus subtilis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O C12O OF2 H2O (2) N2O C12O OF2 H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Cadmium Chromium Cobalt Gold Cadmium Chromium Cobalt Gold 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 1 : 16 : 2 2 : 16 : 1 2 : 16 : 2 1 : 1 : 1 1 : 16 : 2 2 : 16 : 1 2 : 16 : 2 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP