Normality of a mixture of 30mL of 1N H2SO4 and 20mL of 4N H2SO4
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December 2022
Four bodies of masses 2,3,5 and 8 kg are placed at the four corners of a square of side 2m. The position of CM will be
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December 2022
Four identical spheres each of radius 10cm and mass 1kg are placed on a horizontal surface touching one another so that their centres are located at the corners of square of side 20cm. What is the distance of their centre of mass from centre of either sphere.
Principal buffer present in human blood is
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December 2022
The ball of mass 5kg experiences a forces f=2x^2+x.work done in displacing the ball by 2m is
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December 2022
How many moles of HCOONa must be added to 1L of 0.1M HCOOH to prepare a buffer solution with a pH of 3.4
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December 2022
A body is moving under the action of a force.Suddenly,force is increased to such an extent that its kinetic energy is increased by 100%.The momentum invreases by
The active mass of64gm of HI in a two litre flask would be
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December 2022
According to law of mass action rate of chemical reaction is proportional to
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December 2022
The mass of two substances are 25g and 89g respectively.If their kinetic energies are same then the ratio of their moments is
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December 2022
The rate of constant for forward and backward reaction of hydrolysis of ester are 1.1*10^-2 and 1.5*10^-3 per minute respectively. Equilibrium constant for the reaction is