Chemical Engineering :: Chemical Process
- Poly Vinyl Chloride (P.V.C.) is a __________ material.
- Commercial production of Vanaspati is done by __________ of edible vegetable oils.
- Calcination of limestone is not done in a __________ kiln for producing lime.
- Free alkali in a toilet soap is __________ that in a laundary shop.
- Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
- Polythene is a/an __________ polymerisation product.
- Pick out the wrong statement.
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A.
Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% |
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B.
Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98% |
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C.
75% oleum can be produced by distillation of 20% oleum |
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D.
Contact process of sulphuric acid manufacture uses nickel as the catalyst |