Chemistry The first metal used by a man was Copper Brass Bronze Silver Copper Brass Bronze Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Copper Silver Gold Iron Copper Silver Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Covalent Ionic Nonpolar Polar Covalent Ionic Nonpolar Polar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium chlorate Calcium hypochlorite Calcium chloro hypochlorite Calcium bi chloride Calcium chlorate Calcium hypochlorite Calcium chloro hypochlorite Calcium bi chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 4 zero 5 2 4 zero 5 ANSWER DOWNLOAD EXAMIANS APP
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