Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -196 -103 -53 -183 -196 -103 -53 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vulcanisation of rubber Converts its plasticity into elasticity Decreases its tensile strength Increases its oil & solvent resistance Increases its ozone & oxygen reactivity Converts its plasticity into elasticity Decreases its tensile strength Increases its oil & solvent resistance Increases its ozone & oxygen reactivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process H₂S is scrubbed from refinery gases by absorption using Tri-butyl phosphate Chilled water Dilute H₂SO₄ Ethanol amine Tri-butyl phosphate Chilled water Dilute H₂SO₄ Ethanol amine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of edible vegetable oils Is an exothermic reaction Is done in presence of nickel catalyst Increases their melting point All of these Is an exothermic reaction Is done in presence of nickel catalyst Increases their melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Common salt is generally not produced commonly by __________ method from brine. Solar evaporation Vacuum evaporation Freeze drying Electrolytic Solar evaporation Vacuum evaporation Freeze drying Electrolytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its High melting point Low co-efficient of expansion High co-efficient of expansion Both B and C High melting point Low co-efficient of expansion High co-efficient of expansion Both B and C ANSWER DOWNLOAD EXAMIANS APP
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