Chemistry The highest volume of gases in lower atmosphere is comprised of Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Vinegar Kerosene Tomato juice Lemon Vinegar Kerosene Tomato juice Lemon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Copper Bronze Brass Silver Copper Bronze Brass Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Less poisonous than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Potassium fertilizer Phosphatic fertilizer Sodium fertilizer Nitrogenous fertilizer Potassium fertilizer Phosphatic fertilizer Sodium fertilizer Nitrogenous fertilizer ANSWER DOWNLOAD EXAMIANS APP