Chemistry Which of the following is not a precious/semi-precious stone? Pearl Emerald Sapphire Ruby Pearl Emerald Sapphire Ruby ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Carbon dioxide Nitrogen Carbon monoxide Oxygen Carbon dioxide Nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Charcoal Diesel Coal-tar Camphor Charcoal Diesel Coal-tar Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Sulphur dioxide Nitrogen dioxide Carbon dioxide Methyl isocyanate Sulphur dioxide Nitrogen dioxide Carbon dioxide Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
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