Chemistry Which amidst the following is not a gem stone ? Opal Topaz Cat's-eye Pearl Opal Topaz Cat's-eye Pearl ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 0.21 0.78 0.01 1 0.21 0.78 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HNO3 and conc. HCl Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Evaporation Distillation Fractional distillation Filtration Evaporation Distillation Fractional distillation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Mosquitoes Red ants Cockroaches White ants Mosquitoes Red ants Cockroaches White ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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