The amount of benzene present in pure Benzol is about _______________ percent ?
The amount of benzene present in pure Benzol is about _______________ percent ?
A. 30
B. 50
C. 70
D. 90
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Antibiotic____________________?
Antibiotic____________________?A. Inhibits/destroys the growth of microorganisms
B. Is used as a pain reliever
C. Is an antimalarial
D. Is an anaestheticCO & H2 are the constituents of___________________?
CO & H2 are the constituents of___________________?A. Producer gas
B. Water gas
C. Coke oven gas
D. All A., B. and C.P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
Question: P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
[A].bakelite [B].
neoprene [C].
teflon [D].
nylon-66 Answer: Option C
Explanation:
No answer description available for this question.
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
Question: Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
[A].poor oxidation stability and high gum forming tendency. [B].
greater tendency of decomposition at elevated temperature. [C].
hydrolysis tendency in presence of water. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Synthetic glycerine is produced from___________________?
Synthetic glycerine is produced from___________________?A. Toluene
B. Phenol
C. Propylene
D. NaphthaleneWidely used method for the conditioning of boiler feed water is the ___________________?
Widely used method for the conditioning of boiler feed water is the ___________________?A. Cold lime process
B. Coagulation
C. Hot-lime soda process
D. Sequestration