Related Questions

Naphthalene recovered from coke oven gas is used
A As moisture proof coating on fibres
B As moth balls (insecticides)
C As a fuel in furnaces
D For making electrodes
A mixture of sand and naphthalene can be separated by
A Fractional distillation
B Sublimation
C Chromatography
D Any of them
Naphthalene is removed from coke oven gas by
A Adsorbing on palladium
B Absorbing in ethanolamine
C Scrubbing with wash oil
D Passing it through electrostatic precipitator
The chief source of naphthalene is
A Coal-tar
B Diesel
C Charcoal
D Camphor
The main source of Naphthalene is
A Charcoal
B Camphor
C Coal-tar
D Diesel
Catalytic oxidation of naphthalene produces
A Styrene
B Phenol
C Phthalic anhydride
D None of these
Cetane number of alpha methyl naphthalene is assumed to be
A 0
B 100
C 50
D ∞
Improper usages of words. choose the option which indicates the sentences in which the underlined word(s) has/have been used incorrectly. i. You need to hear both sides of the story before "making up" your mind. ii. We are "making up" more beds as some unexpected guests have come. iii. The curtains are "make up" of Indian silk.
A i only
B ii only
C iii only
D ii and iii only
He avoided making the same mistakes again. The word "making" is a/an-
A object
B auxiliary verb
C participle
D gerund
The cost of making x units is Y = 5x + 10 , the average cost of making 10 units is
A TK. 5
B TK. 6
C TK. 7
D TK. 8

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