Chemistry German silver, an alloy, does not contain the metal Zinc Copper Nickel Silver Zinc Copper Nickel Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Calcination Roasting Smelting Refining Calcination Roasting Smelting Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Flocculation Filtration Water softening Sedimentation Flocculation Filtration Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Aluminum Copper Silver Manganese Aluminum Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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