Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Electroplating Hot dipping Galvanising Tinning Electroplating Hot dipping Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Four Three One Two Four Three One Two ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS