Question Answers

Which of the following is the life saving mixture for an asthma patient (a) Mixture of helium and oxygen (b) Mixture of neon and oxygen Which of the following is the life saving mixture for an asthma patient (a) Mixture of helium and oxygen (b) Mixture of neon and oxygen November 27, 2020 Category: Uncategorised [...]

Which one of the following is the true covalent oxide of iodine (a) I2O4 (b) I2O5 (c) I2O7 (d) I2O9 Which one of the following is the true covalent oxide of iodine (a) I2O4 (b) I2O5 (c) I2O7 (d) I2O9 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The stability of the following alkali metal chlorides follows the order (a) LiCl > KCl > NaCl > CsCl (b) CsCl > KCl > NaCl > LiCl The stability of the following alkali metal chlorides follows the order (a) LiCl > KCl > NaCl > CsCl (b) CsCl > KCl > NaCl > LiCl November [...]

The compounds of alkaline earth metals have the following magnetic nature (a) Diamagnetic (b) Paramagnetic (c) Ferromagnetic (d) Diaferromagnetic The compounds of alkaline earth metals have the following magnetic nature (a) Diamagnetic (b) Paramagnetic (c) Ferromagnetic (d) Diaferromagnetic November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which transition in the hydrogen atomic spectrum will have the same wavelength as the transition, n = 4 to n = 2 of He ^+ spectrum n = 4 to n = 2 of He ^+ spectrum Which transition in the hydrogen atomic spectrum will have the same wavelength as the transition November 27, 2020 [...]

The atomic radii of alkali metals (M) lie in the order Li < Na < K Na+ > K+ > Rb+. The atomic radii of alkali metals (M) lie in the order Li < Na < K Na+ > K+ > Rb+. November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

For Balmer series in the spectrum of atomic hydrogen , the wave number of each line is given by v = RH [ 1/n1^2 – 1/n2^2 ] where RH is a constant and n1 and n2 are integers . which of the following statements is / are correct For Balmer series in the spectrum of [...]

Carbon differs from other elements of the group. Which is the false statement (a) Due to its marked tendency to form long chains (catenation) Carbon differs from other elements of the group. Which is the false statement (a) Due to its marked tendency to form long chains (catenation) November 27, 2020 Category: Uncategorised (JEE Advanced [...]

The disease kala azar is caused by (a) Colloidal antimony (b) Milk of magnesia (c) Argyrols (d) Colloidal gold (e) Colloidal silver The disease kala azar is caused by (a) Colloidal antimony (b) Milk of magnesia (c) Argyrols (d) Colloidal gold (e) Colloidal silver November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Be and Al exhibit diagonal relationship. Which of the following statement about them is/are not true (1) Both react with HCl to liberate H2 Be and Al exhibit diagonal relationship. Which of the following statement about them is/are not true (1) Both react with HCl to liberate H2 November 27, 2020 Category: Uncategorised (JEE Advanced [...]