Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Peat Anthracite Bitumen Lignite Peat Anthracite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Compound Heterogeneous mixture Homogeneous mixture Element Compound Heterogeneous mixture Homogeneous mixture Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Photosynthesis Burning Breathing Organic delay Photosynthesis Burning Breathing Organic delay ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon monoxide Methane Carbon dioxide Nitrous oxide and sulphur dioxide Carbon monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
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