Chemistry Number of neutrons in an atom of hydrogen is Three Zero One Two Three Zero One Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of neutrons the number of protons the number of nucleons the number of protons and electrons the number of neutrons the number of protons the number of nucleons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Fractional distillation Distillation Filtration Evaporation Fractional distillation Distillation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? None of these Powder type Foam type Soda acid type None of these Powder type Foam type Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Polyclinic hydrocarbons Lead Oxides of nitrogen Carbon monoxide Polyclinic hydrocarbons Lead Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Carbon di–oxide Water Nitrogen Air Carbon di–oxide Water Nitrogen Air ANSWER DOWNLOAD EXAMIANS APP