Chemistry The metal that is usually extracted from sea water is Na Mg Ca K Na Mg Ca K ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Nitrogen dioxide gas Carbon dioxide gas Nitric oxide gas Sulphur dioxide gas Nitrogen dioxide gas Carbon dioxide gas Nitric oxide gas Sulphur dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Breathing Organic delay Burning Photosynthesis Breathing Organic delay Burning Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone Hypo ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode in a dry cell consists of Copper Cadmium Zinc Graphite Copper Cadmium Zinc Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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