Chemistry Surface water is a better source of drinking water because it is poor in Bacteria Arsenic Algae Dust Bacteria Arsenic Algae Dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Reduction process Oxidation process Dehydration process Hydration to form other hydrates Reduction process Oxidation process Dehydration process Hydration to form other hydrates 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
Chemistry The metal that is usually extracted from sea water is Na Mg K Ca Na Mg K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to SO2injury O3injury NO2injury HF injury SO2injury O3injury NO2injury HF injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sulphur, sand and charcoal Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT TNT and charcoal Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
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