Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is None of these Ultraviolet light Dilute H₂SO₄ Oleum None of these Ultraviolet light Dilute H₂SO₄ Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rotary kiln is not involved in the production of Slaked lime from quick lime Cement None of these Lime from limestone Slaked lime from quick lime Cement None of these Lime from limestone ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sizing material is incorporated in paper to Increase its flexibility & opacity Increase its brightness Impart resistance to penetration by liquids Increase its thickness Increase its flexibility & opacity Increase its brightness Impart resistance to penetration by liquids Increase its thickness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commonly used glass is known as the __________ glass. Hard Flint Soda Pyrex Hard Flint Soda Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils Always contain some amount of nickel (as their complete removal is very difficult) Cause cholesterol build up and blood clotting Are prone to rancid oxidation Have affinity to retain harmful sulphur compounds Always contain some amount of nickel (as their complete removal is very difficult) Cause cholesterol build up and blood clotting Are prone to rancid oxidation Have affinity to retain harmful sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
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