Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen Carbon Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A solution is A mixture of two liquids A solid dissolved i water A solid dissolved in a liquid A homogeneous mixture of two or more substances A mixture of two liquids A solid dissolved i water A solid dissolved in a liquid A homogeneous mixture of two or more substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Miscible with water Not stable Chemically very active Chemically unreactive Miscible with water Not stable Chemically very active Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Francium Chlorine Radium Fluorine Francium Chlorine Radium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Glass Cement Gun powder Paint Glass Cement Gun powder Paint ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS