Chemical Process Pig iron is produced by blast furnaces in India using mostly the iron ore named Magnetite Siderite Chalcopyrite Hematite Magnetite Siderite Chalcopyrite Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Before filtration, reduces the bacterial load on filters Is to adjust the pH value After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Before filtration, reduces the bacterial load on filters Is to adjust the pH value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lubricating greases are a mixture of Mineral oil and metallic soap Mineral oil and fatty oil Mineral oil, soap and additives Fatty oil and metallic soap Mineral oil and metallic soap Mineral oil and fatty oil Mineral oil, soap and additives Fatty oil and metallic soap ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to nitric acid. It is a strong mono basic acid which reacts with almost all the metals except noble metals Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) It is a strong mono basic acid which reacts with almost all the metals except noble metals Arc process of nitric acid manufacture is economical as compared to Ostwald About 90% of nitric acid is manufactured by Ostwald Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove All of these Colour Turbidity Bacteria All of these Colour Turbidity Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloramines are used in water treatment for Control of bacteria Corrosion control Removing turbidity Disinfection and control of taste & odour Control of bacteria Corrosion control Removing turbidity Disinfection and control of taste & odour ANSWER DOWNLOAD EXAMIANS APP
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