Chemical Process Chemical formula of BHC, which is an insecticide is C₆Cl₆ C₆H₄Cl₂ C₆H₆Cl₆ C₆H₅Cl C₆Cl₆ C₆H₄Cl₂ C₆H₆Cl₆ C₆H₅Cl ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalytic oxidation of naphthalene produces Phenol None of these Styrene Phthalic anhydride Phenol None of these Styrene Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ Both B and C C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ Both B and C C + H₂O = CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pasteurisation of milk means Inhibiting the growth of micro-organisms without killing them Removal of fatty and albuminous substance from it Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics None of these Inhibiting the growth of micro-organisms without killing them Removal of fatty and albuminous substance from it Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Refractory bricks burnt at very high temperature have got Greater resistance to corrosion by slags None of these High spalling tendency Less resistance to corrosion by slags Greater resistance to corrosion by slags None of these High spalling tendency Less resistance to corrosion by slags ANSWER DOWNLOAD EXAMIANS APP
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