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Cyanide process is used in the extraction of (a) Au (b) Ag (c) Both (a) and (b) (d) Cu
11
Nov
Cyanide process is used in the extraction of (a) Au (b) Ag (c) Both (a) and (b) (d) Cu Cyanide process is used in the extraction of (a) Au (b) Ag (c) Both (a) and (b) (d) Cu November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following ore is best concentrated by froth-floatation method (a) Galena (b) Cassiterite (c) Magnetite (d) Malachite
11
Nov
Which of the following ore is best concentrated by froth-floatation method (a) Galena (b) Cassiterite (c) Magnetite (d) Malachite Which of the following ore is best concentrated by froth-floatation method (a) Galena (b) Cassiterite (c) Magnetite (d) Malachite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Gravity separation process is used for the concentration of (a) Calamine (b) Haematite (c) Chalcopyrite (d) Bauxite
11
Nov
Gravity separation process is used for the concentration of (a) Calamine (b) Haematite (c) Chalcopyrite (d) Bauxite Gravity separation process is used for the concentration of (a) Calamine (b) Haematite (c) Chalcopyrite (d) Bauxite November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The capacitance shown in figure is in steady state . The energy stored in the capacitor is
11
Nov
The capacitance shown in figure is in steady state . The energy stored in the capacitor is The capacitance shown in figure is in steady state . The energy stored in the capacitor is November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Bauxite ore is concentrated by (a) Froth flotation (b) Electromagnetic separation (c) Chemical separation (d) Hydraulic separation
11
Nov
Bauxite ore is concentrated by (a) Froth flotation (b) Electromagnetic separation (c) Chemical separation (d) Hydraulic separation Bauxite ore is concentrated by (a) Froth flotation (b) Electromagnetic separation (c) Chemical separation (d) Hydraulic separation November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An 80μC charge is given to the 4μF capacitor in the circuit shown in Fig. so thae upper plate A is positively charged. An unknown resistance R is connected in the left limb. As soon as the switch S in the central limb is closed, a current of 2 A flows through the 2Ω resistor in the central limb. The capacitive time constant for the circuit is
11
Nov
An 80μC charge is given to the 4μF capacitor in the circuit shown in Fig. so thae upper plate A is positively charged. An unknown resistance R is connected in the left limb. As soon as the switch S in the central limb is closed, a current of 2 A flows through the 2Ω resistor [...]
Charge on the capacitor having capacitance C2 in steady state ( figure ) is
11
Nov
Charge on the capacitor having capacitance C2 in steady state ( figure ) is Charge on the capacitor having capacitance C2 in steady state ( figure ) is November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The most stable oxides of nitrogen will be :
11
Nov
The most stable oxides of nitrogen will be : The most stable oxides of nitrogen will be : November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
For a reaction, the value of Kp increases with increase n temperature. The ΔH for the reaction would be :
11
Nov
For a reaction, the value of Kp increases with increase n temperature. The ΔH for the reaction would be : For a reaction the value of Kp increases with increase n temperature. The ΔH for the reaction would be : November 11, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , [...]
Kp has the value of 10^−6 atm^3 and 10^−4 atm^3 at 298 K and 323 K respectively for the reaction CuSO4.3H2O(s)⇔CuSO4(s)+3H2O(g) ΔrH∘ for the reaction is :
11
Nov
Kp has the value of 10^−6 atm^3 and 10^−4 atm^3 at 298 K and 323 K respectively for the reaction CuSO4.3H2O(s)⇔CuSO4(s)+3H2O(g) ΔrH∘ for the reaction is : Kp has the value of 10^−6 atm^3 and 10^−4 atm^3 at 298 K and 323 K respectively for the reaction CuSO4.3H2O(s)⇔CuSO4(s)+3H2O(g) ΔrH∘ for the reaction is : November [...]