Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Lawrence Kurchatove Rutherford Seaborg Lawrence Kurchatove Rutherford Seaborg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyamide polymer Polyvinyl polymer Polysaccharide Polyester polymer Polyamide polymer Polyvinyl polymer Polysaccharide Polyester polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Dolomite Peat Lignite Bituminous Dolomite Peat Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Manganese Chromite Bauxite Mica Manganese Chromite Bauxite Mica ANSWER DOWNLOAD EXAMIANS APP
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