Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Argon Helium Xenon Neon Argon Helium Xenon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Carbon Oxygen Boron Helium Carbon Oxygen Boron Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Positive Negative Zero Depends on whether the reaction is exothermic or endothermic Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyester Acrylic Polyamide Polyolefin Polyester Acrylic Polyamide Polyolefin ANSWER DOWNLOAD EXAMIANS APP
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