Chemistry The constituents of automobile exhaust that can cause cancer is/are : Polycyclic hydrocarbons Carbon monoxide Oxides of nitrogen Lead Polycyclic hydrocarbons Carbon monoxide Oxides of nitrogen Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2into nitrite Ammonia into N2 N2 into nitrate Ammonia into nitrite N2into nitrite Ammonia into N2 N2 into nitrate Ammonia into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Carbon black Graphite Coal Coke Carbon black Graphite Coal Coke ANSWER DOWNLOAD EXAMIANS APP