Sea weeds are an important source of_________________?

Related Mcqs:

1. Carborundum consists mainly of_________________?

   A. Bauxite B. Silicon carbide C. Boron carbide D. Calcium carbide...

2. Mannheim furnace is used in the manufacture of_________________?

   A. Hydrochloric acid B. H2SO4 by Chamber process C. Calcium carbide D. Corundum...

3. Chalcopyrite is the main ore of_________________?

   A. Copper B. Lead C. Tin D. Iron...

4. L.D. converter is used in the production of_________________?

   A. Pig iron B. Steel C. Copper D. Zinc...

5. Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?

   A. Carbon B. Arsenic C. Lead D. Sulphur...

6. Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of_________________?

   A. Collagen B. Tannin C. Molasses D. Carbohydrate...

7. Acetone is produced by catalytic dehydrogenation of_________________?

   A. Phenol B. Naphthalene C. Isopropanol D. Ethyl benzene...

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

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

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

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

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

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