Chemistry Ruby and sapphire are oxides of Iron Copper Tin Aluminium Iron Copper Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Zinc Cadmium Copper Graphite Zinc Cadmium Copper Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide Calcium hydroxide Magnesium carbonate Sodium bicarbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Na Mg Ca K Na Mg Ca K ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO2 SO2 CO CFC CO2 SO2 CO CFC ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Carbonates Carbohydrates Carbides Hydrocarbons Carbonates Carbohydrates Carbides Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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