Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Hund Thomson Sommerfeld Rutherford Hund Thomson Sommerfeld Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? None of these Foam type Soda acid type Powder type None of these Foam type Soda acid type Powder type ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Carbon monoxide Phosgene Methyl isocyanate Chlorine Carbon monoxide Phosgene Methyl isocyanate Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Antimony Zinc Chromium Lead Antimony Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Cast-iron Type metal Aluminium Water Cast-iron Type metal Aluminium Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP