Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
An element A dissolves both in acid and alkali. It is an example of (a) Allotropic nature of A (b) Dimorphic nature of A
17
Nov
An element A dissolves both in acid and alkali. It is an example of (a) Allotropic nature of A (b) Dimorphic nature of A An element A dissolves both in acid and alkali. It is an example of (a) Allotropic nature of A (b) Dimorphic nature of A November 17, 2020 Category: Uncategorised (JEE Advanced [...]
Ga is below Al in the periodic table, but atomic radius of Ga is less than Al. It is because of (a) Lanthanoid contraction (b) Greater screening effect
17
Nov
Ga is below Al in the periodic table, but atomic radius of Ga is less than Al. It is because of (a) Lanthanoid contraction (b) Greater screening effect but atomic radius of Ga is less than Al. It is because of (a) Lanthanoid contraction (b) Greater screening effect Ga is below Al in the periodic [...]
Which statement is incorrect (a) Borazine has a 3D-layer structure like that of graphite (b) Bori acid has a hydrogen bonded layer structure in the solid state
17
Nov
Which statement is incorrect (a) Borazine has a 3D-layer structure like that of graphite (b) Bori acid has a hydrogen bonded layer structure in the solid state Which statement is incorrect (a) Borazine has a 3D-layer structure like that of graphite (b) Bori acid has a hydrogen bonded layer structure in the solid state November [...]
In borax the number of B – O – B links and B – OH bonds present are, respectively (a) Five and four (b) Four and five
17
Nov
In borax the number of B – O – B links and B – OH bonds present are, respectively (a) Five and four (b) Four and five In borax the number of B - O - B links and B - OH bonds present are respectively (a) Five and four (b) Four and five November [...]
In which of the following molecules is hydrogen bridge bond present (a) Water (b) Inorganic benzene (c) Diborane (d) Methanol
17
Nov
In which of the following molecules is hydrogen bridge bond present (a) Water (b) Inorganic benzene (c) Diborane (d) Methanol In which of the following molecules is hydrogen bridge bond present (a) Water (b) Inorganic benzene (c) Diborane (d) Methanol November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which metal has a greater tendency to form metal oxide (a) Al (b) Ca (c) Cr (d) Fe
17
Nov
Which metal has a greater tendency to form metal oxide (a) Al (b) Ca (c) Cr (d) Fe Which metal has a greater tendency to form metal oxide (a) Al (b) Ca (c) Cr (d) Fe November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In Goldschmidt aluminothermic process, thermite contains (a) 3 parts of Al2O3 and 4 parts of Al (b) 3 parts of Fe2O3 and 2 parts of Al
17
Nov
In Goldschmidt aluminothermic process, thermite contains (a) 3 parts of Al2O3 and 4 parts of Al (b) 3 parts of Fe2O3 and 2 parts of Al In Goldschmidt aluminothermic process thermite contains (a) 3 parts of Al2O3 and 4 parts of Al (b) 3 parts of Fe2O3 and 2 parts of Al November 17, 2020 [...]
Aluminium oxide is not reduced by chemical reactions since (a) Aluminium oxide is reactive (b) Reducing agents contaminate
17
Nov
Aluminium oxide is not reduced by chemical reactions since (a) Aluminium oxide is reactive (b) Reducing agents contaminate Aluminium oxide is not reduced by chemical reactions since (a) Aluminium oxide is reactive (b) Reducing agents contaminate November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Heating an aqueous solution of aluminium chloride to dryness will give (a) AlCl3 (b) Al2Cl6 (c) Al2O3
17
Nov
Heating an aqueous solution of aluminium chloride to dryness will give (a) AlCl3 (b) Al2Cl6 (c) Al2O3 Heating an aqueous solution of aluminium chloride to dryness will give (a) AlCl3 (b) Al2Cl6 (c) Al2O3 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which one of the following exist in the oxidation state other than +3 (a)B (b) Al (c) Ce (d) Ga
17
Nov
Which one of the following exist in the oxidation state other than +3 (a)B (b) Al (c) Ce (d) Ga Which one of the following exist in the oxidation state other than +3 (a)B (b) Al (c) Ce (d) Ga November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,