Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Winter during morning time Summer during morning time Summer during day time Winter during day time Winter during morning time Summer during morning time Summer during day time Winter during day time ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Nitrates Sulphonates Bismuthates Bicarbonates Nitrates Sulphonates Bismuthates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Hydrogen Oxygen Helium Nitrogen Hydrogen Oxygen Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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