Chemistry The lightest gas which is non-inflammable is Nitrogen Helium Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.323 0.273 0.201 0.158 0.323 0.273 0.201 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Zero Increasing Constant Decreasing Zero Increasing Constant Decreasing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Phosphatic fertilizer Sodium fertilizer Potassium fertilizer Nitrogenous fertilizer Phosphatic fertilizer Sodium fertilizer Potassium fertilizer Nitrogenous fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Nitrogen Argon Hydrogen Helium Nitrogen Argon Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Red phosphorus Violet phosphorus White phosphorus Black phosphorus Red phosphorus Violet phosphorus White phosphorus Black phosphorus ANSWER DOWNLOAD EXAMIANS APP
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