Chemistry Combustion of a candle is a/an Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 4 2 zero 5 4 2 zero 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 47000 kJ/kg 14600 kJ/kg 12600 kJ/kg 39400 kJ/kg 47000 kJ/kg 14600 kJ/kg 12600 kJ/kg 39400 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Respiratory and lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion building materials Respiratory and lung disease All of these Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous Peat ANSWER DOWNLOAD EXAMIANS APP
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