Chemistry Normal rainwater has a pH level of 3.2 6.3 5.6 8.3 3.2 6.3 5.6 8.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Hot dipping Galvanising Tinning Electroplating Hot dipping Galvanising Tinning Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A strong electrolyte A weak electrolyte A non-electrolyte Initially weak and then become a strong electrolyte A strong electrolyte A weak electrolyte A non-electrolyte Initially weak and then become a strong electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Formic acid Acetic acid Propionic acid Butyric acid Formic acid Acetic acid Propionic acid Butyric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Ion exchange process Chlorination ANSWER DOWNLOAD EXAMIANS APP