Hamad Chemical Process 30/08/2021 A. Boiling B. Adding Ca(OH)2 C. Boiling it with Na2CO3 D. None of these Related Mcqs: Low temperature carbonisation of coal takes place at _______________ °C ?A. 300 B. 1100 C. 700 D. 900... 20% oleum means that in 100 kg oleum, there are 20 kg of_____________________?A. SO3 and 80kg of H2SO4 B. H2SO4 and 80kg of SO3 C. SO3 for each 100 kg of H2SO4 D. None of these... Digestion of wood-base materials (for manufacture of pulp) is done to __________________?A. Remove lignin B. Produce long fibres C. Prevent deterioration on storage D. None of these... The basic constituent of vegetable oils is ___________________?A. Triglyceride B. Fatty acids C. Fatty alcohol D. Mono esters... Phosphate rock is a raw material for the manufacture of____________________?A. Phosphoric acid B. Phosphorous C. Superphosphates D. All A , B. and C...
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