Chemistry Which one of the following metals is used to galvanise iron ? Zinc Lead Mercury Copper Zinc Lead Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is –4 8 Zero 4 –4 8 Zero 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium chlorate Calcium hypochlorite Calcium chloro hypochlorite Calcium bi chloride Calcium chlorate Calcium hypochlorite Calcium chloro hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Perspex Styrofoam Teflon Polystyrene Perspex Styrofoam Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Hydrogen cyanide Carbon monoxide Mustard gas Water gas Hydrogen cyanide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO2 SO3 H2O NH4Cl SO2 SO3 H2O NH4Cl ANSWER DOWNLOAD EXAMIANS APP
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