Sea weeds are an important source of_________________?
Sea weeds are an important source of_________________?
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
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Analgesic drugs are__________________?
Analgesic drugs are__________________?A. Pain relievers
B. Antibiotics
C. Used in the treatment of T.B.
D. Used in the treatment of typhoidLaboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
Question: Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
[A].lead [B].
borosilicate [C].
soda lime [D].
alkali silicate Answer: Option B
Explanation:
No answer description available for this question.
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?A. NH3
B. NaCl
C. CaO
D. CokeDetergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?
Detergent is produced by the sulphonation of dodecyl benzene, which is an ________________ reaction?A. Endothermic
B. Exothermic
C. Irreversible
D. Both B. and C.Flux addition during smelting of ore is done to___________________?
Flux addition during smelting of ore is done to___________________?A. Remove impurities/gangue
B. Enhance rate of reaction
C. Accelerate reduction of ore
D. Separate slag from metalIn the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst___________________?
In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst___________________?A. Gives higher conversion efficiency
B. Has a longer life and is not poisoned by arsenic
C. Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant
D. All A , B. and C.