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

Related Mcqs:

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils________________?

A. Cause cholesterol build up and blood clotting B. Are prone to rancid oxidation C. Always contain some amount of nickel (as their complete removal is very difficult) D. Have affinity to retain harmful sulphur compounds...

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?

A. Na2CO3 B. NaHCO3 C. H2 D. None of these...

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is ____________ °C?

A. -5 to 0 B. 5 to 10 C. 30 to 50 D. 75 to 80...

The ideal pulp for the manufacture of paper should have high ____________________ content?

A. Cellulose B. Lignin C. Both A. & B. D. None of these...

Adipic acid is an intermediate in the manufacture of________________?

A. Perspex B. Nylon-66 C. Polystyrene D. Bakelite...