Chemistry Freon' used as refrigerants is chemically Chlorofluoro hydrocarbon Fluorinated hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is oxygen bromine sodium fluorine oxygen bromine sodium fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Silver Manganese Copper Aluminum Silver Manganese Copper Aluminum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Petroleum Coal Biomass Lignite Petroleum Coal Biomass Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Methane Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
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