Question Answers
Sahay Sir > Question Answers
Hcl is added to following oxides. Which one would give H2O2 (a) MnO2 (b) PbO2 (c) BaO2 (d) None of these
27
Nov
Hcl is added to following oxides. Which one would give H2O2 (a) MnO2 (b) PbO2 (c) BaO2 (d) None of these Hcl is added to following oxides. Which one would give H2O2 (a) MnO2 (b) PbO2 (c) BaO2 (d) None of these November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Calcium is obtained by (a) Roasting of lime stone (b) Reduction of CaCl2 with carbon (c) Electrolysis of a solution of CaCl2 in water
27
Nov
Calcium is obtained by (a) Roasting of lime stone (b) Reduction of CaCl2 with carbon (c) Electrolysis of a solution of CaCl2 in water Calcium is obtained by (a) Roasting of lime stone (b) Reduction of CaCl2 with carbon (c) Electrolysis of a solution of CaCl2 in water November 27, 2020 Category: Uncategorised (JEE Advanced [...]
Four reactions are given below (a) 2Li + 2H2O to 2LiOH + H2 (2) 2Na + 2H2O to 2NaOH + H2
27
Nov
Four reactions are given below (a) 2Li + 2H2O to 2LiOH + H2 (2) 2Na + 2H2O to 2NaOH + H2 Four reactions are given below (a) 2Li + 2H2O to 2LiOH + H2 (2) 2Na + 2H2O to 2NaOH + H2 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Match List 1 with List 2 and select the correct answer using the codes given below the lists
27
Nov
Match List 1 with List 2 and select the correct answer using the codes given below the lists Match list 1 with list 2 and select the correct answer using the codes given below the lists: November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
If wavelength of photon is 2.2 x 10^-11 m, h = 6.6 x 10^-34 J-sec, then momentum of photon is
27
Nov
If wavelength of photon is 2.2 x 10^-11 m, h = 6.6 x 10^-34 J-sec, then momentum of photon is h = 6.6 x 10^-34 J-sec If wavelength of photon is 2.2 x 10^-11 m then momentum of photon is November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In Bohr’s model, atomic radius of the first orbit is gama, the radius of the 3rd orbit , is
27
Nov
In Bohr’s model, atomic radius of the first orbit is gama, the radius of the 3rd orbit , is atomic radius of the first orbit is gama In Bohr's model is the radius of the 3rd orbit November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The radius of electron ion the first excited state of hydrogen atom is (a) a0 (b) 4a0 (c) 2a0 (d) 8a0
27
Nov
The radius of electron ion the first excited state of hydrogen atom is (a) a0 (b) 4a0 (c) 2a0 (d) 8a0 The radius of electron ion the first excited state of hydrogen atom is (a) a0 (b) 4a0 (c) 2a0 (d) 8a0 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In spectral series of hydrogen , the series which does not come in infrared region is
27
Nov
In spectral series of hydrogen , the series which does not come in infrared region is In spectral series of hydrogen the series which does not come in infrared region is November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The correct sequence in decreasing order of the percentage of nitrogen in the given compounds is (a) Urea > Ammonium chloride > Ammonium nitrate > Ammonium nitrite
27
Nov
The correct sequence in decreasing order of the percentage of nitrogen in the given compounds is (a) Urea > Ammonium chloride > Ammonium nitrate > Ammonium nitrite The correct sequence in decreasing order of the percentage of nitrogen in the given compounds is (a) Urea > Ammonium chloride > Ammonium nitrate > Ammonium nitrite November [...]
Lead is maximum in (a) Soda glass (b) Jena glass (c) Pyrex glass (d) Flint glass
27
Nov
Lead is maximum in (a) Soda glass (b) Jena glass (c) Pyrex glass (d) Flint glass Lead is maximum in (a) Soda glass (b) Jena glass (c) Pyrex glass (d) Flint glass November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,