Chemistry The element used in the manufacture of safety matches is Phosphorous Sulphur Magnesium Silicon Phosphorous Sulphur Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Nitrogen Chlorine Helium None of these Nitrogen Chlorine Helium None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeS2 Fe2O3 FeCO3 Fe3O4 FeS2 Fe2O3 FeCO3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of [HCO3]– and H2CO3 CI– and [CO3]2– CI– and [HCO3]– HCI and NaCI [HCO3]– and H2CO3 CI– and [CO3]2– CI– and [HCO3]– HCI and NaCI ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Baking soda Bleaching powder Washing soda Soda ash Baking soda Bleaching powder Washing soda Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Trickling filter Percolating filter Intermittent sand filter Contact bed Trickling filter Percolating filter Intermittent sand filter Contact bed ANSWER DOWNLOAD EXAMIANS APP
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