Chemistry In arc welding, Argon is used because of its High calorific value Ability to lower the melting point of the metal High flammability Low reactivity with metal High calorific value Ability to lower the melting point of the metal High flammability Low reactivity with metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Graphite Sodium Silicon Phosphorus Graphite Sodium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of SO2 H2SO4 H2S Fungicide SO2 H2SO4 H2S Fungicide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Lead Copper Iron Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Au Cu Ge Ag Au Cu Ge Ag ANSWER DOWNLOAD EXAMIANS APP
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