Dehydrogenation of ethyl benzene produces __________________ ?
Dehydrogenation of ethyl benzene produces __________________ ?
A. Styrene
B. Naphthalene
C. Phenol
D. Benzoic acid
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At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?
At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Proportional to the square ofCalcareous & argillaceous materials are used in the manufacture of ___________________?
Calcareous & argillaceous materials are used in the manufacture of ___________________?A. Lead
B. Cement
C. Carbon disulphide
D. None of theseAlum is commercially produced from___________________?
Alum is commercially produced from___________________?A. Gypsum
B. Feldspar
C. Galena
D. BauxiteWhich 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. CokeDry ice (solidified CO2) is used for the___________________?
Dry ice (solidified CO2) is used for the___________________?A. Storage & shipment of frozen foods and ice-creams
B. Liquefaction of permanent gases
C. Liquefaction of natural gas
D. None of theseBitterns is a/an
Question: Bitterns is a/an
[A].unsaturated fat. [B].
starting material for the production of iodine. [C].
by-product of chlor-alkali industry. [D].
none of these. Answer: Option D
Explanation:
No answer description available for this question.