Chemistry The most abundant metal in the Earth’s crust is Copper Zinc Aluminium Iron Copper Zinc Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Carbon monoxide Oxygen Carbon dioxide Nitrogen Carbon monoxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by White ants Red ants Cockroaches Mosquitoes White ants Red ants Cockroaches Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Ferrous sulphide Graphite Lead Lead sulphide Ferrous sulphide Graphite Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium hypochlorite Calcium chloro hypochlorite Calcium chlorate Calcium bi chloride Calcium hypochlorite Calcium chloro hypochlorite Calcium chlorate Calcium bi chloride ANSWER DOWNLOAD EXAMIANS APP
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