Related Questions

In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
A 1 : 2
B 2 : 1
C 1 : 3
D 3 : 1
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
A Elimination of solvent drying facility
B Higher nitration temperature
C Lower solvent dilution ratio
D All of the above
Molecularity of an elementary reaction, P + Q → R + S is
A 1
B 2
C 3
D 4
Molecularity of a reaction
A Is always equal to the overall order of reaction
B May not be equal to the order of reaction
C Can't have a fractional value
D Both B and C
The reactions of high molecularity are rare, because
A Of very large activation energy of many bodies
B Of low probability of many body collisions
C Many body collisions are not favoured energetically
D Of requirement of very large concentration for such reactions
Lead acetate test in sewer manhole is done to test the presence of
A Methane gas
B Hydrogen sulphide
C Carbondioxide gas
D Diesel vapours
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.
A Drying
B Semi-drying
C Non-drying
D None of these
Polyvinyl acetate is never used for making
A Moulded articles
B Fibres
C Adhesives
D All of the above
__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.
A Fibrous
B Leathery
C Rubbery
D Hard
For obtaining vinyl chloride acetate, the method used, is
A Addition polymerization
B Condensation polymerization
C Co-polymerization
D None of these

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