Chemistry Ruby and sapphire are oxides of Iron Aluminium Tin Copper Iron Aluminium Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Electron, proton Proton, neutron Neutron, electron Neutron, positron Electron, proton Proton, neutron Neutron, electron Neutron, positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is sodium chlorine chlorine carbon dioxide alcohol sodium chlorine chlorine carbon dioxide alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is oxygen hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Acetylene Vinyl chloride Propane Styrene Acetylene Vinyl chloride Propane Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value ANSWER DOWNLOAD EXAMIANS APP
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