Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
H2SO4 cannot be used to prepare HBr from NaBr as it (a) Reacts slowly with NaBr (b) Oxidises HBr (c) Reduces HBr
27
Nov
H2SO4 cannot be used to prepare HBr from NaBr as it (a) Reacts slowly with NaBr (b) Oxidises HBr (c) Reduces HBr H2SO4 cannot be used to prepare HBr from NaBr as it (a) Reacts slowly with NaBr (b) Oxidises HBr (c) Reduces HBr November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Which one of the following pairs of substances when mixed, produces chlorine gas at room temperature (a) NaCl and MnO2
27
Nov
Which one of the following pairs of substances when mixed, produces chlorine gas at room temperature (a) NaCl and MnO2 produces chlorine gas at room temperature (a) NaCl and MnO2 Which one of the following pairs of substances when mixed November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
One mole of calcium phosphide on reaction with excess water gives (a) One mole of phosphine (b) Two moles of phosphoric acid
27
Nov
One mole of calcium phosphide on reaction with excess water gives (a) One mole of phosphine (b) Two moles of phosphoric acid One mole of calcium phosphide on reaction with excess water gives (a) One mole of phosphine (b) Two moles of phosphoric acid November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
If the 1st ionization energy of H atom is atom 13..6 eV , then the 2nd ionization energy of He atom is
27
Nov
If the 1st ionization energy of H atom is atom 13..6 eV , then the 2nd ionization energy of He atom is If the 1st ionization energy of H atom is atom 13..6 eV then the 2nd ionization energy of He atom is November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + [...]
The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8//9 times the Rydberg’s constant if the electron jumps from……….
27
Nov
The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8//9 times the Rydberg’s constant if the electron jumps from………. The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8//9 times the Rydberg's constant if the electron jumps from.......... November [...]
The colour of sky is due to (a) Absorption of light by atmospheric gases (b) Transmission of light (c) Wavelength of scattered light (d) All of these
27
Nov
The colour of sky is due to (a) Absorption of light by atmospheric gases (b) Transmission of light (c) Wavelength of scattered light (d) All of these The colour of sky is due to (a) Absorption of light by atmospheric gases (b) Transmission of light (c) Wavelength of scattered light (d) All of these November [...]
In photoelectric effect , the kinetic energy of photoelectrons increases linearly with the
27
Nov
In photoelectric effect , the kinetic energy of photoelectrons increases linearly with the In photoelectric effect the kinetic energy of photoelectrons increases linearly with the November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Hydrogen is evolved by the action of cold dil. HNO3 on (a) Fe (b) Mn (c) Cu (d) Al
27
Nov
Hydrogen is evolved by the action of cold dil. HNO3 on (a) Fe (b) Mn (c) Cu (d) Al Hydrogen is evolved by the action of cold dil. HNO3 on (a) Fe (b) Mn (c) Cu (d) Al November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the metallurgy of aluminium, cryolite is mixed in the molten state because it (a) Increases the melting point of alumina (b) Oxideses alumina
27
Nov
In the metallurgy of aluminium, cryolite is mixed in the molten state because it (a) Increases the melting point of alumina (b) Oxideses alumina cryolite is mixed in the molten state because it (a) Increases the melting point of alumina (b) Oxideses alumina In the metallurgy of aluminium November 27, 2020 Category: Uncategorised (JEE Advanced [...]
Which of the following pair will not produce dihydrogen gas (a) Cu + HCl (dil.) (b) Fe + H2SO4 (c) Mg + steam
27
Nov
Which of the following pair will not produce dihydrogen gas (a) Cu + HCl (dil.) (b) Fe + H2SO4 (c) Mg + steam Which of the following pair will not produce dihydrogen gas (a) Cu + HCl (dil.) (b) Fe + H2SO4 (c) Mg + steam November 27, 2020 Category: Uncategorised (JEE Advanced Physics by [...]