Chemistry Which among the following coal contains 90 per cent of carbon? Anthracite Bitumen Lignite Peat Anthracite Bitumen Lignite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Potassium chloride Magnesium sulphate Sodium chloride Calcium carbonate Potassium chloride Magnesium sulphate Sodium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and graphite Limestone and clay Clay and graphite Chalk and graphite Limestone and graphite Limestone and clay Clay and graphite Chalk and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Acetyl Salicilic acid Methyl Salicilate Methoxy benzoic acid Phenyl Salicilate Acetyl Salicilic acid Methyl Salicilate Methoxy benzoic acid Phenyl Salicilate ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and cake Plum and pudding Cream and cake Cream and pudding Plum and cake Plum and pudding Cream and cake Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
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