Chemistry The method that cannot be used for removing permanent hardness of water is boiling adding caustic soda adding sodium carbonate distillation boiling adding caustic soda adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Molten zinc Gaseous zinc Molten tin Solid zinc Molten zinc Gaseous zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The next higher homologue of C6H14 is C7H14 C7H12 C7H16 C6H12 C7H14 C7H12 C7H16 C6H12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coloured discharge tubes for advertisement mainly contain Helium Neon Argon Xenon Helium Neon Argon Xenon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can have any value above zero Can never be positive Will always be positive Cannot be negative Can have any value above zero Can never be positive Will always be positive Cannot be negative ANSWER DOWNLOAD EXAMIANS APP