Bromine content in sea water may be around _________________ ppm?

Related Mcqs:

1. Sea water contains about ______________________ ppm of bromine ?

   A. 5
   B. 70
   C. 500
   D. 1700

2. Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

   A. SO3
   B. Cl2
   C. NH3
   D. SO2

3. Sodium chloride content in sea water is about _______________ gms/liter?

   A. 2
   B. 10
   C. 25
   D. 50

4. 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.

5. Separation of fresh water from sea water can be done by the _______________ operation ?

   A. Osmosis
   B. Reverse osmosis
   C. Absorption
   D. Adsorption

6. Sucrose content in the raw juice extracted from sugar cane is about _________________ percent?

   A. 1 – 2
   B. 15 – 20
   C. 50 – 60
   D. 80 – 85

7. Average sulphur content in Indian pyrites is about _________________ percent?

   A. 15
   B. 35
   C. 55
   D. 70

8. Alcohol content in freshly prepared natural and fortified wine may be respectively around ______________ percent ?

   A. 7-14 and 14-30
   B. 7-14 and 40-50
   C. 14 – 30 and 40-50
   D. 10 – 20 and 40 – 50

9. Sucrose content in cane sugar may be around ______________________ percent ?

   A. 50
   B. 70
   C. 95
   D. 80

10. Which of the following is not produced commercially from sea water ?

    A. Magnesium & potassium compounds
    B. Common salt
    C. Bromine
    D. Iodine