Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Protein Carbohydrate Hydrocarbon Ester Protein Carbohydrate Hydrocarbon Ester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is M-nitrophenol P-chlorophenol O-nitrophenol P-nitrophenol M-nitrophenol P-chlorophenol O-nitrophenol P-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Oxygen Carbon dioxide All of them Hydrogen Oxygen Carbon dioxide All of them Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Sea water River water Rain water Lake water Sea water River water Rain water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetone Formaldehyde Ethanol Acetic acid Acetone Formaldehyde Ethanol Acetic acid ANSWER DOWNLOAD EXAMIANS APP