Chemistry Which one is a soluble salt in H2O CuS PbCl2 Zn(OH)2 CaCl2 CuS PbCl2 Zn(OH)2 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ 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 Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Argon Helium Hydrogen Neon Argon Helium Hydrogen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Silver Gold Copper Sodium Silver Gold Copper Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Silver Gold Iron Copper Silver Gold Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Chloride Sodium Benzoate Glycerine Picric acid Sodium Chloride Sodium Benzoate Glycerine Picric acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS