Chemistry The percentage of oxygen in air is approximately 0.21 1 0.78 0.01 0.21 1 0.78 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Zinc Cadmium Mercury Tin Zinc Cadmium Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isobaric system Open system Closed system Isothermal system Isobaric system Open system Closed system Isothermal system ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 250 mg 200 mg 150 mg 100 mg 250 mg 200 mg 150 mg 100 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Isobutane Carbon dioxide Butane Methane Isobutane Carbon dioxide Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The trans-uranium elements are the chemical elements with atomic numbers greater than 96 86 89 92 96 86 89 92 ANSWER DOWNLOAD EXAMIANS APP