Chemical Process Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process? Coke NaCl NH? CaO Coke NaCl NH? CaO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Cellulose nitrate Regenerated cellulose acetate Regenerated cellulose nitrate Cellulose acetate Cellulose nitrate Regenerated cellulose acetate Regenerated cellulose nitrate Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 98%H₂SO₄ 65% oleum 78%H₂SO₄ 20% oleum 98%H₂SO₄ 65% oleum 78%H₂SO₄ 20% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermoplastic materials Do not soften on application of heat None of these Are solvent insoluble Are heavily branched molecules Do not soften on application of heat None of these Are solvent insoluble Are heavily branched molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Calcium & aluminium stearate Formic acid Stearic acid Xanthates Calcium & aluminium stearate Formic acid Stearic acid Xanthates ANSWER DOWNLOAD EXAMIANS APP
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