Chemistry An example of major air pollutant is Carbon dioxide Helium Oxygen Carbon monoxide Carbon dioxide Helium Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Sulphonates Nitrates Bismuthates Bicarbonates Sulphonates Nitrates Bismuthates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium bicarbonate Potassium carbonate Sodium hydroxide Sodium carbonate Sodium bicarbonate Potassium carbonate Sodium hydroxide Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Soaps give lather with only soft water Detergents could not give much lather Detergents give lather even with hard water Detergents are soluble in water Soaps give lather with only soft water Detergents could not give much lather Detergents give lather even with hard water Detergents are soluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
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