Hamad Chemical Process 06/01/2021 A. Activated clay B. Bromine C. Chlorine or chlorine dioxide D. Magnesium sulphite Related Mcqs: Low temperature carbonisation of coal takes place at _______________ °C ?A. 300 B. 1100 C. 700 D. 900... 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... ____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?A. Phosphates B. Chromates C. Sulphates D. Bi-carbonates... ______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?A. Chlorine B. Ammonium chloride C. Sodium carbonate D. Sodium bi-carbonate...
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