Chemical Process Which of the following is an yellow pigment? Titanium dioxide Ferrous sulphate Zinc sulphides Lead chromates Titanium dioxide Ferrous sulphate Zinc sulphides Lead chromates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Increases the biological oxygen demand(BOD) Helps in grease separation Aids in flocculation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Helps in grease separation Aids in flocculation Causes bulking of activated sludge ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most suitable dye for synthetic fibres? Pigment dye Azoic dye Acid dye Mordant dye Pigment dye Azoic dye Acid dye Mordant dye ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content Avoid mechanical weakening of fibre Remove lignin by way of crystallisation None of these Increase the cellulose content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Multi-effect evaporation only Extractive distillation Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Multi-effect evaporation only Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Both B and C Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ Both B and C Thermal dissociation of iron pyrites Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS