Chemistry Solder metal is an alloy of Lead and tin Lead and antimony Copper and tin Copper and zinc Lead and tin Lead and antimony Copper and tin Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Mists Fumes Aerosols Smoke Mists Fumes Aerosols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO CO Hydrocarbons CO2 NO CO Hydrocarbons CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is bauxite magnetite haematite monazite bauxite magnetite haematite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Heat Oxygen Catalyst Light Heat Oxygen Catalyst Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Emerald Pearl Ruby Sapphire Emerald Pearl Ruby Sapphire ANSWER DOWNLOAD EXAMIANS APP
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