Related Questions

Which of the following binary systems is an example of a maximum boiling azeotrope?
A Water-hydrochloric acid
B Acetone-carbon disulphide
C Water-ethyl alcohol
D N-heptane-n-octane
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope?
A 3
B 2
C 1
D 0
What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope?
A 0
B 1
C 2
D 3
A minimum boiling azeotrope is exemplified by
A Toluene-benzene
B Acetone-carbon disulphide
C Water-isobutyl alcohol
D None of these
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?
A 90
B 91.5
C 95
D 99
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
The thermal efficiency of diesel engines on weak mixtures is
A Unaffected
B Lower
C Higher
D Dependent on other factors
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as
A Additives
B Antagonism
C Synergism
D Independent
A can contains a mixture of two liquids A and B in the ratio 7:5. When 9 liters of mixtures are drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many liters of liquid A was contained by the can initially?
A 10
B 20
C 21
D 25
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th

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