Chemical Process White phosphorous is stored under water, because Its kindling temperature in dry air is very low It does not react with water It is unstable It is poisonous Its kindling temperature in dry air is very low It does not react with water It is unstable It is poisonous ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its All of these Hydrolysis tendency in presence of water Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency All of these Hydrolysis tendency in presence of water Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate Is prone to thermal decomposition All of these Has high water solubility and is unstable Is soluble in ammonium chloride and potassium chloride solution Is prone to thermal decomposition All of these Has high water solubility and is unstable Is soluble in ammonium chloride and potassium chloride solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? Na₂CO₃ H₂ None of these NaHCO₃ Na₂CO₃ H₂ None of these NaHCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification Reduces sulphate ions to sulphides causing obnoxious smell Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Increases the quantity of chlorine used for its purification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used As a lubricant As a foam depressant in distillation column In hard water for cleaning of cloth As a rust preventive As a lubricant As a foam depressant in distillation column In hard water for cleaning of cloth As a rust preventive ANSWER DOWNLOAD EXAMIANS APP