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KI and CuSO4 solution when mixed , give (a) CuI2 + K2SO4 (b) Cu2I2 + K2SO4 (c) K2SO4 + Cu2I2 + I2
01
Dec
KI and CuSO4 solution when mixed , give (a) CuI2 + K2SO4 (b) Cu2I2 + K2SO4 (c) K2SO4 + Cu2I2 + I2 give (a) CuI2 + K2SO4 (b) Cu2I2 + K2SO4 (c) K2SO4 + Cu2I2 + I2 KI and CuSO4 solution when mixed December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + [...]
What is the effect of more electronegative atom on the strength of ionic bond (a) Decreases (b) Increases (c) Decreases slowely (d) Remains the same
01
Dec
What is the effect of more electronegative atom on the strength of ionic bond (a) Decreases (b) Increases (c) Decreases slowely (d) Remains the same What is the effect of more electronegative atom on the strength of ionic bond (a) Decreases (b) Increases (c) Decreases slowely (d) Remains the same December 1, 2020 Category: Uncategorised [...]
When Cu reacts with AgNO3 solution, the reaction takes place is (a) Oxidation of Cu (b) Reduction of Cu (c) Oxidation of Ag
01
Dec
When Cu reacts with AgNO3 solution, the reaction takes place is (a) Oxidation of Cu (b) Reduction of Cu (c) Oxidation of Ag the reaction takes place is (a) Oxidation of Cu (b) Reduction of Cu (c) Oxidation of Ag When Cu reacts with AgNO3 solution December 1, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
In an experiment to measure the internal resistance of a cell by a potentiometer, it is found that the balance point is at a length of 2 m, when the cell is shunted by a 5 Ω resistance; and is at a length of 3 m, when the cell is shunted by a 10 Ω resistance. The internal resistance of the cell is, then
01
Dec
In an experiment to measure the internal resistance of a cell by a potentiometer, it is found that the balance point is at a length of 2 m, when the cell is shunted by a 5 Ω resistance; and is at a length of 3 m, when the cell is shunted by a 10 Ω [...]
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In an experiment to measure the internal resistance of a cell by a potentiometer ,
it is found that the balance point is at a length of 2 m ,
then ,
when the cell is shunted by a 10 Ω resistance. The internal resistance of the cell is ,
when the cell is shunted by a 5 Ω resistance; and is at a length of 3 m ,
A potentiometer wire of length L and resistance 10Ω is connected in series with a battery of emf 2.5V and a resistance in its primary circuit. The null point corresponding to a cell of a emf 1V is obtained at a distance L/2. If the resistance in the primary circuit is doubled then the position of new null point will be.
01
Dec
A potentiometer wire of length L and resistance 10Ω is connected in series with a battery of emf 2.5V and a resistance in its primary circuit. The null point corresponding to a cell of a emf 1V is obtained at a distance L/2. If the resistance in the primary circuit is doubled then the position [...]
When silver nitrate is heated to red hot, what is formed (a) Ag (b) Ag2O (c) Ag2O3 (d) AgO2
01
Dec
When silver nitrate is heated to red hot, what is formed (a) Ag (b) Ag2O (c) Ag2O3 (d) AgO2 what is formed (a) Ag (b) Ag2O (c) Ag2O3 (d) AgO2 When silver nitrate is heated to red hot December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A 2 volt battery, a 15Ω resistor and a potentiometer of 100cm length, all are connected in series. If the resistance resistance of potentiometer wire is 5Ω, then the potential gradient of the potentiometer wire is
01
Dec
A 2 volt battery, a 15Ω resistor and a potentiometer of 100cm length, all are connected in series. If the resistance resistance of potentiometer wire is 5Ω, then the potential gradient of the potentiometer wire is a 15Ω resistor and a potentiometer of 100cm length A 2 volt battery all are connected in series. If [...]
In a potentiometer of one metre length an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3v battery is balanced at 45 cm length. Then, the emf of the unknown voltage source is :
01
Dec
In a potentiometer of one metre length an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3v battery is balanced at 45 cm length. Then, the emf of the unknown voltage source is : In a potentiometer of one metre length an unknown emf voltage source is balanced [...]
In the circuit shown, a meter bridge is in its balanced state. The meter bridge wire has a resistance 0.1 ohm/cm. The value of unknown resistance X and the current drawn from the battery of negligible resistance is
01
Dec
In the circuit shown, a meter bridge is in its balanced state. The meter bridge wire has a resistance 0.1 ohm/cm. The value of unknown resistance X and the current drawn from the battery of negligible resistance is a meter bridge is in its balanced state. The meter bridge wire has a resistance 0.1 ohm/cm. [...]
Zinc when reacted with excess of NaOH gives (a) Zinc hydroxide (b) Zinc oxide (c) Di sodium zincate (d) Sodium zincate
01
Dec
Zinc when reacted with excess of NaOH gives (a) Zinc hydroxide (b) Zinc oxide (c) Di sodium zincate (d) Sodium zincate Zinc when reacted with excess of NaOH gives (a) Zinc hydroxide (b) Zinc oxide (c) Di sodium zincate (d) Sodium zincate December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]