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 The heaviest naturally occurring element is: Polonium Mercury Thorium Uranium Polonium Mercury Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 12 8 6 14 12 8 6 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to D-block F-block S-block P-block D-block F-block S-block P-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Helium Hydrogen Nitrogen Oxygen Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous sulphate electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode ANSWER DOWNLOAD EXAMIANS APP