Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Mangnese Copper Chromium Arsenic Mangnese Copper Chromium Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Exchange of heat with colder stream Merely compressing it beyond critical pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are None of these Ammonia, salt and limestone Ammonia limestone and coke Salt, limestone and coke or gas None of these Ammonia, salt and limestone Ammonia limestone and coke Salt, limestone and coke or gas ANSWER DOWNLOAD EXAMIANS APP
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 Naphthols are derivates of Naphthalene Xylene Phenol Methyl amine Naphthalene Xylene Phenol Methyl amine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The major constituent of black liquor generated during paper manufacture is sodium Hydroxide Carbonate Sulphate Bi-carbonate Hydroxide Carbonate Sulphate Bi-carbonate ANSWER DOWNLOAD EXAMIANS APP
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