Chemistry The iron ore which contains 72% of iron is : Siderite Limonite Magnetite Haematite Siderite Limonite Magnetite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Sulphonation Acceleration Galvanization Vulcanization Sulphonation Acceleration Galvanization Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Coagulant Solvent Absorbent Adsorbent Coagulant Solvent Absorbent Adsorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three Two One Zero Three Two One Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iron Bromine Chlorine Iodine Iron Bromine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP