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Applied Chemistry
Applied Chemistry Interview
Quiz 1
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Q.1
Paraffins are obtained by ______ process from petroleum.
a) fractional distillation
b) sedimentation
c) filtration
d) fermentation
Q.2
Paraffins are mostly used as _______
a) dye
b) lubricant
c) catalyst
d) coolent
Q.3
Liquid paraffin is used as ________
a) Dye
b) Medical purposes
c) Inhibitor
d) Catalyst
Q.4
What is the general formula for Naphthenes?
a) CnH2n+2
b) CnH2n
c) CnH2n-6
d) CnH2n-2
Q.5
Naphthenes are also called as _______
a) cyclo alkanes
b) aromatics
c) cyclo alkenes
d) cyclo alkynes
Q.6
Naphthenes having more thanC-atoms are called as ________
a) cyclo alkenes
b) cyclo alkanes
c) cyclo paraffins
d) cyclo alkynes
Q.7
Olefins are slightly soluble in ___________
a) water
b) alcohol
c) kerosene
d) ethanol
Q.8
The chemical structure of Olefins can be given by ________
a) –(–CH2—CH2–)n—
b)
c) –(–CH2—CH–)n—
d) –(–CH2—CH3–)n—
Q.9
Olefins containing 2 to 4 carbon atoms are ______ at ordinary temperature.
a) solid
b) liquid
c) gaseous
d) semisolid
Q.10
Aromatic compounds are produced from ________
a) natural gas
b) coal tar
c) oil gas
d) heavy gas
Q.11
Aromatic compounds are _____ with water.
a) dissolves
b) immiscible
c) forms lump
d) easily dissolves
Q.12
The flame colour of the aromatic compounds is ________
a) yellow
b) orange
c) green
d) pink
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