Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Combined available chlorine Free chlorine Free available chlorine Residual chlorine Combined available chlorine Free chlorine Free available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol Reduces evaporation of petrol Reduces consumption of petrol Prevents freezing of petrol Increases efficiency of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Silver Bronze Brass Copper Silver Bronze Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus Lichen A bacterium An alga A fungus Lichen A bacterium An alga ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 6 10 3 4 6 10 3 4 ANSWER DOWNLOAD EXAMIANS APP