Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl red Methyl orange Phenolphthaline Methylene blue Methyl red Methyl orange Phenolphthaline Methylene blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over quick lirne Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over slaked lime Chlorine over quick lirne Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincblende Sphalerite Zincite Calamine Zincblende Sphalerite Zincite Calamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide Water Oxides of minerals Carbonates absorbed from soil Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP