Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1020 6.023 × 1023 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1020 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Anthracite Lignite Bitumen Peat Anthracite Lignite Bitumen Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium chloro hypochlorite Calcium chlorate Calcium hypochlorite Calcium bi chloride Calcium chloro hypochlorite Calcium chlorate Calcium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Alkali content in oil Hydroxyl groups in oil Carboxylic groups in oil Unsaturation in oil Alkali content in oil Hydroxyl groups in oil Carboxylic groups in oil Unsaturation in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten tin Molten zinc Gaseous zinc Solid zinc Molten tin Molten zinc Gaseous zinc Solid zinc ANSWER DOWNLOAD EXAMIANS APP
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