Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Coal Mica Natural Gas Petroleum Coal Mica Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Nitrogenous fertilizer Phosphatic fertilizer Potassium fertilizer Sodium fertilizer Nitrogenous fertilizer Phosphatic fertilizer Potassium fertilizer Sodium fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Remains unchanged Will increase four-fold Will be reduced to half Will be doubled Remains unchanged Will increase four-fold Will be reduced to half Will be doubled ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Mercury Zinc Lead Copper Mercury Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
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