Chemical Process Presence of carbonaceous matter in the sewage 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 Reduces sulphate ions to sulphides causing obnoxious smell ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda? Pollution of water stream by mercury High cost of mercury Non-availability of high purity mercury High specific gravity of mercury Pollution of water stream by mercury High cost of mercury Non-availability of high purity mercury High specific gravity of mercury ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alcohol percentage in molasses may be around 70 10 85 40 70 10 85 40 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like All of these High cost Fragile nature Easy poisoning tendency All of these High cost Fragile nature Easy poisoning tendency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Both B and C Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Both B and C Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ Thermal dissociation of iron pyrites ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High acid value of an oil or fat is an indication of None of these Storage under improper conditions Absence of unsaturation Its smaller molecular weight None of these Storage under improper conditions Absence of unsaturation Its smaller molecular weight ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS