Chemistry
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Which represent percent by strength



 Allofthem
The correct answer is:
Related Questions to study
chemistry
What is the normality of 1MH3PO4 solution?
What is the normality of 1MH3PO4 solution?
chemistryGeneral
Maths
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
MathsGeneral
Maths
If 5 is added to each and every item of a data, then the A.M is
If 5 is added to each and every item of a data, then the A.M is
MathsGeneral
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
chemistry
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.
chemistryGeneral
chemistry
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
chemistry
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
chemistry
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.
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.
chemistryGeneral
Maths
Mean deviation from mean of the data is
Mean deviation from mean of the data is
MathsGeneral
physics
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
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
physicsGeneral
physics
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 .....
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 .....
physicsGeneral
physics
The potential energy of a particle varies with distance as shown in the graph. The force acting on the particle is zero at.
The potential energy of a particle varies with distance as shown in the graph. The force acting on the particle is zero at.
physicsGeneral
physics
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
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
physicsGeneral
Maths
Mode of the following distribution is
Mode of the following distribution is
MathsGeneral
physics
A bomb of 12 kg divedes in two parts whose ratio of masses is 1:4. If kinetic energy of smaller part is , then momentum of bigger part in will be
A bomb of 12 kg divedes in two parts whose ratio of masses is 1:4. If kinetic energy of smaller part is , then momentum of bigger part in will be
physicsGeneral