Chemistry Combustion of a candle is a/an Endothermic reaction Physical change Photochemical reaction Exothermic reaction Endothermic reaction Physical change Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 500 200 50 100 500 200 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A detergent is a Drug Catalyst Cleansing agent Soap Drug Catalyst Cleansing agent Soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Liquid non-metal Solid non-metal Liquid metal Solid metal Liquid non-metal Solid non-metal Liquid metal Solid metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
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