Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

In the aluminothermite process, aluminium acts as (a) An oxidizing agent (b) A flux (c) A reducing agent (d) A solder aluminium acts as (a) An oxidizing agent (b) A flux (c) A reducing agent (d) A solder In the aluminothermite process November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

In the manufacture of iron lime stone added to the blast furnace, the calcium ion ends in the form of (a) Slag (b) Gangue (c) Calcium metal (d) CaCO3 In the manufacture of iron lime stone added to the blast furnace the calcium ion ends in the form of (a) Slag (b) Gangue (c) Calcium [...]

Which of the following is not an ore (a) Bauxite (b) Malachite (c) Zinc blende (d) Pig iron Which of the following is not an ore (a) Bauxite (b) Malachite (c) Zinc blende (d) Pig iron November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Copper can be extracted from (a) Kupfernickel (b) Dolomite (c) Galena (d) Malachite Copper can be extracted from (a) Kupfernickel (b) Dolomite (c) Galena (d) Malachite November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Considering Ellingham diagram, which of the following metals can be used to reduce alumina (a) Fe (b) Zn (c) Mg (d) Cu Considering Ellingham diagram which of the following metals can be used to reduce alumina (a) Fe (b) Zn (c) Mg (d) Cu November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

“Elektron” is an alloy of (a) Mg and Zn (b) Fe and Mg (c) Ni and Zn (d) Al and Zn "Elektron" is an alloy of (a) Mg and Zn (b) Fe and Mg (c) Ni and Zn (d) Al and Zn November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

The incorrect statement among the following is (a) Hydrogen is used to reduce NiO (b) Zirconium is refined by van Arkel method The incorrect statement among the following is (a) Hydrogen is used to reduce NiO (b) Zirconium is refined by van Arkel method November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Which is correct (a) Galena : Mg2CO3 (b) Cassiterite : CaCO3 MgCO3 (c) Dolomite : SnO2 (d) Magnesite : MgCO3 Which is correct (a) Galena : Mg2CO3 (b) Cassiterite : CaCO3 MgCO3 (c) Dolomite : SnO2 (d) Magnesite : MgCO3 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The bicarbonates of group 2 metals are (a) Easily oxidized by air (b) Stable only in solution (c) Unstable in solution (d) Stable to heat in solid state The bicarbonates of group 2 metals are (a) Easily oxidized by air (b) Stable only in solution (c) Unstable in solution (d) Stable to heat in solid [...]

The process of ore dressing is carried out to (a) Remove the siliceous material (b) Add flux to the mineral (c) Convert the ore to oxide The process of ore dressing is carried out to (a) Remove the siliceous material (b) Add flux to the mineral (c) Convert the ore to oxide November 12, 2020 [...]