Naphthols are derivatives of________________?

Related Mcqs:

Penicillin is made employing _______________ fermentation process?

A. Continuous B. Aerobic batch C. Anaerobic batch D. None of these...

Which of the following is an ore of iron ?

A. Galena B. Chalcopyrite C. Hematite D. Bauxite...

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?

A. Oxidation of Na+ ions B. Oxidation of Cl- ions C. Reduction of Na+ ions D. Reduction of Cl- ions...

Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda ?

A. High cost of mercury B. High specific gravity of mercury C. Non-availability of high purity mercury D. Pollution of water stream by mercury...

____________________ of rubber decreases after its vulcanisation?

A. Resistance to the action of organic solvent B. Tackiness C. Maximum service temperature D. Tensile strength...