Chemistry The advantage of detergents over soaps is Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Polyurethane Metallic polysulphides Polystyrene Teflon Polyurethane Metallic polysulphides Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The 'solid waste' is also known as Sludge Scrubber Sedge Toxic waste Sludge Scrubber Sedge Toxic waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Nitrogen Argon Krypton Oxygen Nitrogen Argon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Hydrogen sulphide Nitrogen dioxide Sulphur dioxide Chlorofluorocarbon Hydrogen sulphide Nitrogen dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP