Chemical Process Chalcopyrite is the main ore of Iron Tin Lead Copper Iron Tin Lead Copper 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 Poor oxidation stability and high gum forming tendency Hydrolysis tendency in presence of water All of these Greater tendency of decomposition at elevated temperature Poor oxidation stability and high gum forming tendency Hydrolysis tendency in presence of water All of these Greater tendency of decomposition at elevated temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Oleum Ultraviolet light Dilute H₂SO₄ None of these Oleum Ultraviolet light Dilute H₂SO₄ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial production of calcium carbide requires limestone and __________ as raw materials. Soda ash Sand Fuel oil Coke Soda ash Sand Fuel oil Coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Low purity oxygen is used for Medicinal purposes L.D. steel making Chemical oxidation processes Cutting and welding of metals Medicinal purposes L.D. steel making Chemical oxidation processes Cutting and welding of metals ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pig iron is produced by blast furnaces in India using mostly the iron ore named Siderite Chalcopyrite Hematite Magnetite Siderite Chalcopyrite Hematite Magnetite ANSWER DOWNLOAD EXAMIANS APP
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