In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?

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Extraction of _________________ employs an electrolytic process ?

A. Aluminium B. Silver C. Copper D. All A, B. and C...

Which of the following impurities in feed water for high pressure boiler is the most detrimental ?

A. Silica B. Dissolved oxygen C. Suspended salt D. Dissolved salt...

Linde process of gas liquefaction employs__________________?

A. Exchange of heat with colder stream B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion) C. Adiabatic expansion against a piston or in a turbine D. Merely compressing the gas beyond its critical pressure...

Iron ore hematite is concentrated using ____________________?

A. Electromagnetic separation mainly B. Gravity separation C. Froth floatation D. Roasting...

Pick out the wrong statement?

A. Azoic dyes are mostly applied on cotton fabrics B. Basic dyes (e.g. amino derivatives) are applied mostly to paper C. Mordant dyes are applied mainly to wools D. None of these...