Chemistry 1 carat of diamond is equal to 200 mg 100 mg 200 g 100 g 200 mg 100 mg 200 g 100 g ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg Ca Na K Mg Ca Na K ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Sulphurous smog Photochemical smog Industrial smog Acid fumes Sulphurous smog Photochemical smog Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Graphite Bauxite Sulphur Phosphorus Graphite Bauxite Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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