Chemistry Catalyst is a substance which Increases the rate of the reaction Decreases the rate of reaction Has no action on the rate of the reaction None of these Increases the rate of the reaction Decreases the rate of reaction Has no action on the rate of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 13 8 3 5 13 8 3 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Krypton Oxygen Argon Nitrogen Krypton Oxygen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Air Gasoline Distilled water LPG Air Gasoline Distilled water LPG ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bethe Bohr Anderson Fermi Bethe Bohr Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Na K Mg Ca Na K Mg Ca ANSWER DOWNLOAD EXAMIANS APP