Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
In the Hall – Heroult process, aluminium is formed at the cathode. The cathode is made out of (a) Platinum (b) Carbon
12
Nov
In the Hall – Heroult process, aluminium is formed at the cathode. The cathode is made out of (a) Platinum (b) Carbon aluminium is formed at the cathode. The cathode is made out of (a) Platinum (b) Carbon In the Hall - Heroult process November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Match the following items in column I with the corresponding items in column 2
12
Nov
Match the following items in column I with the corresponding items in column 2 Match the following items in column I with the corresponding items in column 2 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The reaction that does NOT define calcination is (a) ZnCO3 to ZnO + CO2
12
Nov
The reaction that does NOT define calcination is (a) ZnCO3 to ZnO + CO2 The reaction that does NOT define calcination is (a) ZnCO3 to ZnO + CO2 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Match the ores (Column A) with the metals (Column B) ;
12
Nov
Match the ores (Column A) with the metals (Column B) ; Match the ores (Column A) with the metals (Column B) ; November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Hall-Heroult’s process is given by (a) Cr2O3 + 2Al to Al2O3 + 2Cr (b) Cu 2+ (aq.) + H2 (g) to Cu(s) + 2H + (aq)
12
Nov
Hall-Heroult’s process is given by (a) Cr2O3 + 2Al to Al2O3 + 2Cr (b) Cu 2+ (aq.) + H2 (g) to Cu(s) + 2H + (aq) Hall-Heroult's process is given by (a) Cr2O3 + 2Al to Al2O3 + 2Cr (b) Cu 2+ (aq.) + H2 (g) to Cu(s) + 2H + (aq) November 12, 2020 [...]
The correct statement regarding the given Ellingham diagram is (a) At 800 C, Cu can be used for the extraction of Zn from ZnO
12
Nov
The correct statement regarding the given Ellingham diagram is (a) At 800 C, Cu can be used for the extraction of Zn from ZnO Cu can be used for the extraction of Zn from ZnO The correct statement regarding the given Ellingham diagram is (a) At 800 C November 12, 2020 Category: Uncategorised (JEE Advanced [...]
The ore that contains both iron and copper is (a) Malachite (b) Dolomite (c) Azurite (d) Copper pyrites
12
Nov
The ore that contains both iron and copper is (a) Malachite (b) Dolomite (c) Azurite (d) Copper pyrites The ore that contains both iron and copper is (a) Malachite (b) Dolomite (c) Azurite (d) Copper pyrites November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which one of the following ores is best concentrated by froth floatation method (a) Siderite (b) Galena (c) Malachite (d) Magnetite
12
Nov
Which one of the following ores is best concentrated by froth floatation method (a) Siderite (b) Galena (c) Malachite (d) Magnetite Which one of the following ores is best concentrated by froth floatation method (a) Siderite (b) Galena (c) Malachite (d) Magnetite November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In the context of the Hall – Heroult process for the extraction of Al, which of the following statements is false (a) CO and CO2 are produced in this process
12
Nov
In the context of the Hall – Heroult process for the extraction of Al, which of the following statements is false (a) CO and CO2 are produced in this process In the context of the Hall - Heroult process for the extraction of Al which of the following statements is false (a) CO and CO2 [...]
Sulphide ores are common for the metals (a) Ag, Cu and Pb (b) Ag, Cu and Sn
12
Nov
Sulphide ores are common for the metals (a) Ag, Cu and Pb (b) Ag, Cu and Sn Cu and Pb (b) Ag Cu and Sn Sulphide ores are common for the metals (a) Ag November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,