Chemical Process Viscose rayon Cannot be made from sulphite pulp Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot yield textile grade fibre None of these Cannot be made from sulphite pulp Utilises H₂SO₄, NaOH and CS₂ during its manufacture Cannot yield textile grade fibre None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process SO₂ is bubbled through hot sugar cane juice to Increase its concentration Increase the amount of molasses Increase the crystal size Act as an acidifying agent Increase its concentration Increase the amount of molasses Increase the crystal size Act as an acidifying agent ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Linde process of gas liquefaction employs Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing the gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Merely compressing the gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Molecular weights of polymers are in the range of 10² - 10² 10⁵ - 10⁹ 10⁹ - 10¹¹ 10² - 10⁷ 10² - 10² 10⁵ - 10⁹ 10⁹ - 10¹¹ 10² - 10⁷ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Calcium oxide Calcium carbonate Tricalcium silicate Calcium sulphate Calcium oxide Calcium carbonate Tricalcium silicate Calcium sulphate 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 75 > 30 50 < 10 75 > 30 ANSWER DOWNLOAD EXAMIANS APP
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