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A 25.0 mL. sample of 010 M HCl is titrated with 0.10 M NaOH. What is the pH of the solution at the points where 24.9 and 25.1 mL of NaOH have been added?
12
Nov
A 25.0 mL. sample of 010 M HCl is titrated with 0.10 M NaOH. What is the pH of the solution at the points where 24.9 and 25.1 mL of NaOH have been added? A 25.0 mL. sample of 010 M HCl is titrated with 0.10 M NaOH. What is the pH of the solution [...]
4.0 g of NaOH and 4.9 g of H2SO4 are dissolved in water and volume is made upto 250 mL. The pH of this solution is:
12
Nov
4.0 g of NaOH and 4.9 g of H2SO4 are dissolved in water and volume is made upto 250 mL. The pH of this solution is: 4.0 g of NaOH and 4.9 g of H2SO4 are dissolved in water and volume is made upto 250 mL. The pH of this solution is: November 12, 2020 [...]
10^−5 M HCI solution at 25^∘C is dilluted 1000 times. The pH of the resultant solution will.
12
Nov
10^−5 M HCI solution at 25^∘C is dilluted 1000 times. The pH of the resultant solution will. 10^−5 M HCI solution at 25^∘C is dilluted 1000 times. The pH of the resultant solution will. November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
A heavy ball is suspended from the ceiling of a motor car through a light string. A transverse pulse travels at a speed of 50 cm/s on the string when the car is at rest and 52 m/s when the car accelerates on a horizontal road. Then acceleration of the car is (Take g = 10 m/s2)
12
Nov
A heavy ball is suspended from the ceiling of a motor car through a light string. A transverse pulse travels at a speed of 50 cm/s on the string when the car is at rest and 52 m/s when the car accelerates on a horizontal road. Then acceleration of the car is (Take g = [...]
pH of 10^-6 M HCL(aq) is :
12
Nov
pH of 10^-6 M HCL(aq) is : pH of 10^-6 M HCL(aq) is : November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
A uniform rope mass 6kg hangs vertically from a rigid support. A block of mass 2kg is attached to the free end of the rope. A transverse pulse of wavelength 5cm is produced at the lower end of the rope. What is the wavelength of the pulse when it reaches the top of the rope?
12
Nov
A uniform rope mass 6kg hangs vertically from a rigid support. A block of mass 2kg is attached to the free end of the rope. A transverse pulse of wavelength 5cm is produced at the lower end of the rope. What is the wavelength of the pulse when it reaches the top of the rope? [...]
A heavy but uniform rope of length L is suspended from a ceiling A particle is dropped from the ceiling at the instant when the bottom end is given the jerk Where will the particle meet the pulse
12
Nov
A heavy but uniform rope of length L is suspended from a ceiling A particle is dropped from the ceiling at the instant when the bottom end is given the jerk Where will the particle meet the pulse A heavy but uniform rope of length L is suspended from a ceiling A particle is dropped [...]
Considering Ellingham diagram, which of the following metals can be used to reduce alumina (a) Fe (b) Zn (c) Mg (d) Cu
12
Nov
Considering Ellingham diagram, which of the following metals can be used to reduce alumina (a) Fe (b) Zn (c) Mg (d) Cu Considering Ellingham diagram which of the following metals can be used to reduce alumina (a) Fe (b) Zn (c) Mg (d) Cu November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
“Elektron” is an alloy of (a) Mg and Zn (b) Fe and Mg (c) Ni and Zn (d) Al and Zn
12
Nov
“Elektron” is an alloy of (a) Mg and Zn (b) Fe and Mg (c) Ni and Zn (d) Al and Zn "Elektron" is an alloy of (a) Mg and Zn (b) Fe and Mg (c) Ni and Zn (d) Al and Zn November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The incorrect statement among the following is (a) Hydrogen is used to reduce NiO (b) Zirconium is refined by van Arkel method
12
Nov
The incorrect statement among the following is (a) Hydrogen is used to reduce NiO (b) Zirconium is refined by van Arkel method The incorrect statement among the following is (a) Hydrogen is used to reduce NiO (b) Zirconium is refined by van Arkel method November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]