Chemistry
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Question
Which of the following is correct


 Equalequivalent ormilliequivalentof reactantsreacttogivesameeq.orMeq. of products
 Allofthem
The correct answer is: Allofthem
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Which represent percent by strength
Which represent percent by strength
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What is the normality of 1MH3PO4 solution?
What is the normality of 1MH3PO4 solution?
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Six faces of a balanced die are numbered from integers 1 to 6 This die is tossed 60 times and the frequency distribution of the integers obtained is given below Then the mean of the grouped data is
Six faces of a balanced die are numbered from integers 1 to 6 This die is tossed 60 times and the frequency distribution of the integers obtained is given below Then the mean of the grouped data is
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If 5 is added to each and every item of a data, then the A.M is
Let be the original observations of the data.
Let there are total n number of observations in the data.
Sum of original observation = n X original mean
, where is original mean of data.
Since 5 is added to each and every item of the data
Each observations of new data is of type .
Sum of new observations =
Let there are total n number of observations in the data.
Sum of original observation = n X original mean
, where is original mean of data.
Since 5 is added to each and every item of the data
Each observations of new data is of type .
Sum of new observations =
If 5 is added to each and every item of a data, then the A.M is
MathsGeneral
Let be the original observations of the data.
Let there are total n number of observations in the data.
Sum of original observation = n X original mean
, where is original mean of data.
Since 5 is added to each and every item of the data
Each observations of new data is of type .
Sum of new observations =
Let there are total n number of observations in the data.
Sum of original observation = n X original mean
, where is original mean of data.
Since 5 is added to each and every item of the data
Each observations of new data is of type .
Sum of new observations =
chemistry
Find the molality of H2SO4 solution whose specificgravityis1.98gml1and 95% by volume H2SO4
Find the molality of H2SO4 solution whose specificgravityis1.98gml1and 95% by volume H2SO4
chemistryGeneral
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Assertion: DH is positive for endothermic reactions.
Reason: If total enthalpies of reactants and products are HR &HP respectively then for an endothermic reaction HR<HP.
Assertion: DH is positive for endothermic reactions.
Reason: If total enthalpies of reactants and products are HR &HP respectively then for an endothermic reaction HR<HP.
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Assertion: Thechemicalreaction,3H2(g)+N2(g) →2NH3 shows decrease in entropy.
Reason: The process passes into equilibrium state when DGT,P becomes zero.
Assertion: Thechemicalreaction,3H2(g)+N2(g) →2NH3 shows decrease in entropy.
Reason: The process passes into equilibrium state when DGT,P becomes zero.
chemistryGeneral
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Assertion: Atconstanttemp0ºCand1atm,the changeH2O(s)→H2O(I)DH and DE both are zero.
Reason: During is other mal process Hand E both remains constant.
Assertion: Atconstanttemp0ºCand1atm,the changeH2O(s)→H2O(I)DH and DE both are zero.
Reason: During is other mal process Hand E both remains constant.
chemistryGeneral
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Assertion: For a particular reaction, heat of combusitionate contant pressure (qp) is always greater than that at constant volume (qv).
Reason: Combustion reactions are invariably accomplished by increase in no. of moles.
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Reason: Combustion reactions are invariably accomplished by increase in no. of moles.
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Mean deviation from mean of the data is
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A frictionless track 12345 ends in a circular loop of radius R. body slids down the track from point 1 Which is 6 cm. Maximum value of R for the body to successfully complete the loop is
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physicsGeneral
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A body of mass 1.5 kg slide down a curved track which is quadrant of a circle of radias 0.75 meter. All the surfaces are frictionless. If the body starts from rest, its speed at the bottom of the track. is .....
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The potential energy of a particle varies with distance as shown in the graph. The force acting on the particle is zero at.
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A spherical ball of mass 15 kg stationary at the top of a hill of height 82 m. It slides down a smooth surface to the ground, then climbs up another hill of height 32 m and finally slides down to horizontal base at a height of 10 m above the ground. The velocity attained by the ball is
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Mode of the following distribution is
Mode of the following distribution is
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