Chemistry Atomic number of an atom gives the number of which of the following ? Protons Neutrons Electrons Neutrons and protons Protons Neutrons Electrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be same Need not be different Must be different Need not be same Must be same Need not be different Must be different Need not be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Butane Ethane Acetylene Methane Butane Ethane Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Graphite Zinc Copper Cadmium Graphite Zinc Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km 20 and 50 km 10 and 20 km 50 and 100 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP