Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
Chemistry The 'solid waste' is also known as Sludge Scrubber Toxic waste Sedge Sludge Scrubber Toxic waste Sedge ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli Bacillus subtilis Saccharomyces cerevisiae Pseudomonas putida Escherichia coli ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero –4 8 4 Zero –4 8 4 ANSWER DOWNLOAD EXAMIANS APP