Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Oxygen Coloured impurities Nitrogen dioxide Nitrous oxide Oxygen Coloured impurities Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten sand Molten calcium silicate Molten alumina Molten iron Molten sand Molten calcium silicate Molten alumina Molten iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitrites Nitrates Nitramines Ammonia Nitrites Nitrates Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Nitrogen Chlorine Helium None of these Nitrogen Chlorine Helium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Depletion of ozone layer causes Skin cancer Lung cancer Blood cancer Breast cancer Skin cancer Lung cancer Blood cancer Breast cancer ANSWER DOWNLOAD EXAMIANS APP
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