Chemistry Copper is refined by Electrolysis Roasting Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Zinc Copper Tin Lead Zinc Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Increased transportation activity Deforestation All of these Rapid industrialization Increased transportation activity Deforestation All of these Rapid industrialization ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is sodium chlorine alcohol chlorine carbon dioxide sodium chlorine alcohol chlorine carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sanitary waste Sullage Industrial waste Garbage Sanitary waste Sullage Industrial waste Garbage ANSWER DOWNLOAD EXAMIANS APP
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