A. SO3
B. Cl2
C. NH3
D. SO2
Related Mcqs:
- Sea water contains about ______________________ ppm of bromine ?
A. 5
B. 70
C. 500
D. 1700 - Bromine content in sea water may be around _________________ ppm?
A. 70
B. 640
C. 1875
D. 2500 - Black liquor is converted into white liquor by __________________________?
A. Evaporation and burning the concentrate followed by causticisation of products
B. Multi-effect evaporation only
C. Selective liquid extraction
D. Extractive distillation - The major constituent of black liquor generated during paper manufacture is sodium___________________?
A. Sulphate
B. Carbonate
C. Hydroxide
D. Bi-carbonate - High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B. - Which of the following is the main constituent of the mother liquor produced in salt industry ?
A. Quick lime
B. Glauber’s salt
C. Salt petre
D. Bromine - In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?
A. Sodium sulphide & sodium carbonate
B. Sodium sulphite & sodium carbonate
C. Sodium sulphite & sodium sulphide
D. None of these - Bromine is used in the preparation of___________________?
A. Fire extinguishing compounds
B. Fire proofing agents
C. Dyes and antiknock compounds
D. All A , B. and C. - Hollander beater used during paper pulp manufacture does not facilitate the ______________ of fiber?
A. Cutting
B. Fibrillation
C. Hydration
D. Strengthening - Separation of fresh water from sea water can be done by the _______________ operation ?
A. Osmosis
B. Reverse osmosis
C. Absorption
D. Adsorption
