Related Questions

If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is
A 1
B 2
C 3
D 0
If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is
A Zero
B One
C Two
D Three
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
A Exact concentration of solution is not given
B Character of semi permeable membrane is not given
C The flow of solution is not possible through semi permeable membrane
D All are incorrect
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
A Independent of
B Directly proportional to
C Inversely proportional to
D Proportional to the square of
A train travels from New York to Chicago, a distance of approximately 840 miles, at an average rate of 60 miles per hour and arrives in Chicago at 6:00 in the evening , Chicago time . At what hour in the morning, New York City time, did the train depart for Chicago time . At what hour in the morning , New York City time, did the train depart for Chicago ? ( Chicago time is one hour earlier than New York City time.)
A 4 : 00
B 5 : 00
C 6 : 00
D 7 : 00
Stress concentration factor is defined as the ratio of
A Maximum stress to the endurance limit
B Nominal stress to the endurance limit
C Maximum stress to the nominal stress
D Nominal stress to the maximum stress
The fatigue stress concentration factor is defined as
A The ratio of endurance limit with stress concentration to the endurance limit without stress concentration
B The ratio of endurance limit without stress concentration to the endurance limit with stress concentration
C The product of the endurance limits with and without stress concentration
D All of the above
Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when
A Only vapor phase follows Raoult's law
B Only liquid phase obeys Dalton's law
C Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law
D Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law
Which of the following property defines the alignment of Ruby text as defined by a tag, in relation to base text defined by a tag?
A ruby-align
B ruby-text
C ruby
D none of the mentioned
The time constant of the capacitance circuit is defined as the time during which voltage
A Falls to 36.8% of its final steady value
B Rises to 38.6% of its final steady value
C Rises to 63.2% of its final steady value
D None of the above

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