Chemistry The amount of chlorine available in water after disinfection is called as Free chlorine Combined available chlorine Free available chlorine Residual chlorine Free chlorine Combined available chlorine Free available chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves Lowering of pH of soil Industrial smog formation Eutrophication in lakes Depletion of fossil fuel reserves ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitrates Nitramines Ammonia Nitrites Nitrates Nitramines Ammonia Nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitrogen dioxide Nitrous oxide Nitric oxide Nitrogen pentoxide Nitrogen dioxide Nitrous oxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Bronze Copper Silver Brass Bronze Copper Silver Brass ANSWER DOWNLOAD EXAMIANS APP
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