Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Silicon chloroform is prepared by (a) Si + HCl (b) SiCl4 + H2O (c) SiF4 + NaF (d) H2SiF6 + Cl2
27
Nov
Silicon chloroform is prepared by (a) Si + HCl (b) SiCl4 + H2O (c) SiF4 + NaF (d) H2SiF6 + Cl2 Silicon chloroform is prepared by (a) Si + HCl (b) SiCl4 + H2O (c) SiF4 + NaF (d) H2SiF6 + Cl2 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
BaSO4 and carbon on heating reacts to produce (a) Ba + SO2 + CO2 (b) BaS + CO (c) BaS + O2 + SO2
27
Nov
BaSO4 and carbon on heating reacts to produce (a) Ba + SO2 + CO2 (b) BaS + CO (c) BaS + O2 + SO2 BaSO4 and carbon on heating reacts to produce (a) Ba + SO2 + CO2 (b) BaS + CO (c) BaS + O2 + SO2 November 27, 2020 Category: Uncategorised (JEE Advanced [...]
Concentrated aqueous sodium hydroxide can separate mixture of (a) Al 3+ and Sn 2+ (b) Al 3+ and Fe 3+
27
Nov
Concentrated aqueous sodium hydroxide can separate mixture of (a) Al 3+ and Sn 2+ (b) Al 3+ and Fe 3+ Concentrated aqueous sodium hydroxide can separate mixture of (a) Al 3+ and Sn 2+ (b) Al 3+ and Fe 3+ November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which one of the following is considered as the main postulate of Bohr’s model of atom
27
Nov
Which one of the following is considered as the main postulate of Bohr’s model of atom Which one of the following is considered as the main postulate of Bohr's model of atom November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The radius of the nucleus is related to the mass number A by (a) R = R0A^1/2 (b) R = R0A (c) R = R0A^2 (d) R = R0A^1/3
27
Nov
The radius of the nucleus is related to the mass number A by (a) R = R0A^1/2 (b) R = R0A (c) R = R0A^2 (d) R = R0A^1/3 The radius of the nucleus is related to the mass number A by (a) R = R0A^1/2 (b) R = R0A (c) R = R0A^2 (d) [...]
The substance not likely to contain CaCO3 is (a) A marble statue (b) Calcinated gypsum (c) Sea shells (d) Dolomite
27
Nov
The substance not likely to contain CaCO3 is (a) A marble statue (b) Calcinated gypsum (c) Sea shells (d) Dolomite The substance not likely to contain CaCO3 is (a) A marble statue (b) Calcinated gypsum (c) Sea shells (d) Dolomite November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following transiations have minimum wavelength (a) n4 gives n1 (b) n2 gives n1 (c) n4 gives n2 (d) n3 gives n1
27
Nov
Which of the following transiations have minimum wavelength (a) n4 gives n1 (b) n2 gives n1 (c) n4 gives n2 (d) n3 gives n1 Which of the following transiations have minimum wavelength (a) n4 gives n1 (b) n2 gives n1 (c) n4 gives n2 (d) n3 gives n1 November 27, 2020 Category: Uncategorised (JEE Advanced [...]
Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that
27
Nov
Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it (a) Absorbs CO2 and increases O2 content
27
Nov
KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it (a) Absorbs CO2 and increases O2 content KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it (a) Absorbs CO2 and increases O2 content November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The ratio of the frequency corresponding to the third line in LYman series of hydrogen spectrum tyo that of the first line Balmer series of Li^2+ spectrum is
27
Nov
The ratio of the frequency corresponding to the third line in LYman series of hydrogen spectrum tyo that of the first line Balmer series of Li^2+ spectrum is The ratio of the frequency corresponding to the third line in LYman series of hydrogen spectrum tyo that of the first line Balmer series of Li^2+ spectrum [...]