Chemical Process Which of the following is an endothermic reaction? Thermal dissociation of iron pyrites Both B and C Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ Thermal dissociation of iron pyrites Both B and C Absorption of SO₃ in 98% H₂SO₄ C + H₂O = CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most suitable dye for synthetic fibres? Pigment dye Mordant dye Azoic dye Acid dye Pigment dye Mordant dye Azoic dye Acid dye ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid is mainly used in the __________ industry. Paper Paint Fertiliser Steel Paper Paint Fertiliser Steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. 50 < 10 > 30 75 50 < 10 > 30 75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction Increases with the increasing flake size keeping the flake thickness constant Decreases with decrease of thickness of the flakes Decreases as the moisture content of flakes increases Increases Considerably with the rise of temperature Increases with the increasing flake size keeping the flake thickness constant Decreases with decrease of thickness of the flakes Decreases as the moisture content of flakes increases Increases Considerably with the rise of temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 98%H₂SO₄ 20% oleum 78%H₂SO₄ 65% oleum 98%H₂SO₄ 20% oleum 78%H₂SO₄ 65% oleum ANSWER DOWNLOAD EXAMIANS APP
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