Chemistry Carborundum is another name of Calcium carbide Silicon carbide Silicon oxide Calcium oxide Calcium carbide Silicon carbide Silicon oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Alloy Steel German Silver Nichrome Solder Alloy Steel German Silver Nichrome Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Transition metals Hydrogen Carbon Alkaline metals Transition metals Hydrogen Carbon Alkaline metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Ozone Oxygen Carbon monoxide Carbon dioxide Ozone Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Nitrogen Carbondioxide Oxygen Sulphurdioxide Nitrogen Carbondioxide Oxygen Sulphurdioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO Hydrocarbons CO2 CO NO Hydrocarbons CO2 CO ANSWER DOWNLOAD EXAMIANS APP
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