Chemistry The amount of chlorine available in water after disinfection is called as Free available chlorine Residual chlorine Free chlorine Combined available chlorine Free available chlorine Residual chlorine Free chlorine Combined available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon monoxide Methane Carbon dioxide Nitrous oxide and sulphur dioxide Carbon monoxide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Silver Aluminum Copper Manganese Silver Aluminum Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hypo Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Perspex Teflon Polystyrene Styrofoam Perspex Teflon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
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