Chemistry Which one of the following is a greenhouse gas ? Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Reduction Oxidation Electrolysis Fractional distillation Reduction Oxidation Electrolysis Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Diesel Camphor Coal-tar Charcoal Diesel Camphor Coal-tar Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Helium Methane Propane Nitrogen Helium Methane Propane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coal Carbon black Graphite Coke Coal Carbon black Graphite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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