Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Chromium Copper Lead Cadmium Chromium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Oxalic acid Acetic acid Citric acid Formic acid Oxalic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Sedimentation Filteration Electrophoresis Precipitation Sedimentation Filteration Electrophoresis Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Coal fire Burning garbage Steam engine Burning coal Coal fire Burning garbage Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Radon Helium Krypton Argon Radon Helium Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 5.05 gram 2.05 gram 4.05 gram 3.05 gram 5.05 gram 2.05 gram 4.05 gram 3.05 gram ANSWER DOWNLOAD EXAMIANS APP