Chemistry Which among the following is pure matter ? Brass Air Iron Carbon–dioxide Brass Air Iron Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin 97 Kelvin 82 Kelvin 77 kelvin 54 kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Acetic acid Formic acid Caproic acid Butyric acid Acetic acid Formic acid Caproic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Hydrogen Ethanol Butane Methane Hydrogen Ethanol Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are All of these Sodium Chloride (NaCl) Silver Iodide (Ag I) Dry Ice (Frozen CO2) All of these Sodium Chloride (NaCl) Silver Iodide (Ag I) Dry Ice (Frozen CO2) ANSWER DOWNLOAD EXAMIANS APP