Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Zinc Iron Copper Aluminium Zinc Iron Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Magnesium Silicon Sodium Calcium Magnesium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Static electricity to attract it in factory chimneys Catalytic converters in industry Low - sulphur fuels More efficient car engines Static electricity to attract it in factory chimneys Catalytic converters in industry Low - sulphur fuels More efficient car engines ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Caustic soda Glycerol Caustic potash Naphthalene Caustic soda Glycerol Caustic potash Naphthalene ANSWER DOWNLOAD EXAMIANS APP
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