Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A mixture of ammonia and air at about 800 C in the presence of Pt gauze forms (a) N2O (b) NO (c) NH2OH (d) N2O3
18
Nov
A mixture of ammonia and air at about 800 C in the presence of Pt gauze forms (a) N2O (b) NO (c) NH2OH (d) N2O3 A mixture of ammonia and air at about 800 C in the presence of Pt gauze forms (a) N2O (b) NO (c) NH2OH (d) N2O3 November 18, 2020 Category: Uncategorised [...]
The prefix zepto stands for ( in m ) (a) 10^9 (b) 10^-12 (c) 10^-15 (d) 10^-21
18
Nov
The prefix zepto stands for ( in m ) (a) 10^9 (b) 10^-12 (c) 10^-15 (d) 10^-21 The prefix zepto stands for ( in m ) (a) 10^9 (b) 10^-12 (c) 10^-15 (d) 10^-21 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following halogen can be purified by sublimation
18
Nov
Which of the following halogen can be purified by sublimation Which of the following halogen can be purified by sublimation November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In an organic compound, phosphorus is estimated as (a) Mg2P2O7 (b) Mg3(PO4)2 (c) H3PO4 (d) P2O5
18
Nov
In an organic compound, phosphorus is estimated as (a) Mg2P2O7 (b) Mg3(PO4)2 (c) H3PO4 (d) P2O5 In an organic compound phosphorus is estimated as (a) Mg2P2O7 (b) Mg3(PO4)2 (c) H3PO4 (d) P2O5 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Ammonia, on reaction with excess of chlorine, gives (a) NCl3 and HCl (b) N4 and NH4Cl (c) NCl3 and NH4Cl (d) N2 and HCl
18
Nov
Ammonia, on reaction with excess of chlorine, gives (a) NCl3 and HCl (b) N4 and NH4Cl (c) NCl3 and NH4Cl (d) N2 and HCl Ammonia gives (a) NCl3 and HCl (b) N4 and NH4Cl (c) NCl3 and NH4Cl (d) N2 and HCl on reaction with excess of chlorine November 18, 2020 Category: Uncategorised (JEE Advanced [...]
Heater of an electric kettle is made of a wire of length L and diameter d. It takes 4 minutes to raise the temperature of 0.5 kg water by 40K. This heater is replaced by a new heater having two wires of the same material, each of length L and diameter 2d. The way these wires are connected is given in the options. How much time in minutes will it take to raise the temperature of the same amount of water by 40 K?
18
Nov
Heater of an electric kettle is made of a wire of length L and diameter d. It takes 4 minutes to raise the temperature of 0.5 kg water by 40K. This heater is replaced by a new heater having two wires of the same material, each of length L and diameter 2d. The way these [...]
When two identical batteries of internal resistance 1Ω each are connected in series across a resistor R, the rate of heat produced in R is J1. When the same batteries are connected in parallel across R, the rate is J2 If j1 = 2.25 j2 , then the value of R in ohm is
18
Nov
When two identical batteries of internal resistance 1Ω each are connected in series across a resistor R, the rate of heat produced in R is J1. When the same batteries are connected in parallel across R, the rate is J2 If j1 = 2.25 j2 , then the value of R in ohm is the [...]
Nitrogen can be obtained from air by removing (a) Oxygen (b) Hydrogen (c) Carbon dioxide (d) Both (a) and (c)
18
Nov
Nitrogen can be obtained from air by removing (a) Oxygen (b) Hydrogen (c) Carbon dioxide (d) Both (a) and (c) Nitrogen can be obtained from air by removing (a) Oxygen (b) Hydrogen (c) Carbon dioxide (d) Both (a) and (c) November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
CaC2 + N2 to A, product A is (a) CaCN2 (b) CaCN2 and C (c) CaCN2 + N2 (d) None of these
18
Nov
CaC2 + N2 to A, product A is (a) CaCN2 (b) CaCN2 and C (c) CaCN2 + N2 (d) None of these CaC2 + N2 to A product A is (a) CaCN2 (b) CaCN2 and C (c) CaCN2 + N2 (d) None of these November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
A mixture of sand and iodine can be seperated by (a) crystallisation (b) sublimation (c) distillation (d) fractional distillation
18
Nov
A mixture of sand and iodine can be seperated by (a) crystallisation (b) sublimation (c) distillation (d) fractional distillation A mixture of sand and iodine can be seperated by (a) crystallisation (b) sublimation (c) distillation (d) fractional distillation November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,