Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The carbon-based reduction method is NOT used for the extraction of (a) Tin from SnO2 (b) Iron from Fe2O3
12
Nov
The carbon-based reduction method is NOT used for the extraction of (a) Tin from SnO2 (b) Iron from Fe2O3 The carbon-based reduction method is NOT used for the extraction of (a) Tin from SnO2 (b) Iron from Fe2O3 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Extraction of metal from the ore cassiterite involves (a) Carbon reduction of an oxide ore (b) Self-reduction of a sulphide ore
12
Nov
Extraction of metal from the ore cassiterite involves (a) Carbon reduction of an oxide ore (b) Self-reduction of a sulphide ore Extraction of metal from the ore cassiterite involves (a) Carbon reduction of an oxide ore (b) Self-reduction of a sulphide ore November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Of the following metals that cannot be obtained by electrolysis of the aqueous solution of their salts are (a) Ag (b) Mg
12
Nov
Of the following metals that cannot be obtained by electrolysis of the aqueous solution of their salts are (a) Ag (b) Mg Of the following metals that cannot be obtained by electrolysis of the aqueous solution of their salts are (a) Ag (b) Mg November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
In the electrolysis of alumina, cryolite is added to (a) Lower the melting point of alumina (b) Increase the electrical conductivity
12
Nov
In the electrolysis of alumina, cryolite is added to (a) Lower the melting point of alumina (b) Increase the electrical conductivity cryolite is added to (a) Lower the melting point of alumina (b) Increase the electrical conductivity In the electrolysis of alumina November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The number of different metals present in the ore copper pyrites is
12
Nov
The number of different metals present in the ore copper pyrites is The number of different metals present in the ore copper pyrites is November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Among the following metals how many metals are extracted by self reduction method from their respective ores. (Give total number) Hg, Zn, Cu, Al, Mg, Pb, Fe , Sn
12
Nov
Among the following metals how many metals are extracted by self reduction method from their respective ores. (Give total number) Hg, Zn, Cu, Al, Mg, Pb, Fe , Sn AL Among the following metals how many metals are extracted by self reduction method from their respective ores. (Give total number) Hg Cu Fe Mg PB [...]
According to the following diagram, A reduces BO2 when the temperature is (a) 1400 C
12
Nov
According to the following diagram, A reduces BO2 when the temperature is (a) 1400 C A reduces BO2 when the temperature is (a) 1400 C According to the following diagram November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Among the reactions (A) – (D) the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are(a) CaO + SiO2 to CaSiO3
12
Nov
Among the reactions (A) – (D) the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are(a) CaO + SiO2 to CaSiO3 Among the reactions (A) - (D) the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are(a) CaO + SiO2 to CaSiO3 November [...]
The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is
12
Nov
The refining method used when the metal and the impurities have low and high melting temperatures, respectively, is is respectively The refining method used when the metal and the impurities have low and high melting temperatures November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Calamine, malachite, magnetite and cryolite, respectively are (a) ZnSO4, CuCO3, Fe2O3, AlF3
12
Nov
Calamine, malachite, magnetite and cryolite, respectively are (a) ZnSO4, CuCO3, Fe2O3, AlF3 AlF3 Calamine CuCO3 Fe2O3 magnetite and cryolite malachite respectively are (a) ZnSO4 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Tags:
AlF3 ,
Calamine ,
CuCO3 ,
Fe2O3 ,
magnetite and cryolite ,
malachite ,
respectively are (a) ZnSO4 ,