Chemistry Forth floatation process to concentrate the minerals is applicable to Chalcopyrites Haematite Bauxite Calamine Chalcopyrites Haematite Bauxite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Sodium, lead Copper, lead Lead, zinc Tin, lead Sodium, lead Copper, lead Lead, zinc Tin, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen trioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Molecular hydrides Metallic hydrides Ionic hydrides Polynuclear hydrides Molecular hydrides Metallic hydrides Ionic hydrides Polynuclear hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Fluorescence Absorption spectra Emission spectra Raman spectra Fluorescence Absorption spectra Emission spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated hydrocarbon Fluorinated aromatic compound Chlorofluoro hydrocarbon Chlorinated hydrocarbon Fluorinated hydrocarbon Fluorinated aromatic compound ANSWER DOWNLOAD EXAMIANS APP
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