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Identify the reaction that doesn’t take place during the smelting process of copper extraction
02
Dec
Identify the reaction that doesn’t take place during the smelting process of copper extraction Identify the reaction that doesn't take place during the smelting process of copper extraction December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Heat treatment alters the properties of steel due to (a) Chemical reaction on heating (b) Partial rusting
02
Dec
Heat treatment alters the properties of steel due to (a) Chemical reaction on heating (b) Partial rusting Heat treatment alters the properties of steel due to (a) Chemical reaction on heating (b) Partial rusting December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Iron loses magnetic property at (a) Melting point (b) 1000 K (c) Curie point (d) Boiling point
02
Dec
Iron loses magnetic property at (a) Melting point (b) 1000 K (c) Curie point (d) Boiling point Iron loses magnetic property at (a) Melting point (b) 1000 K (c) Curie point (d) Boiling point December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The reaction which forms nitric oxide, is (a) C and N2O (b) Cu and N2O (c) Na and NH3 (d) Cu and HNO3
02
Dec
The reaction which forms nitric oxide, is (a) C and N2O (b) Cu and N2O (c) Na and NH3 (d) Cu and HNO3 is (a) C and N2O (b) Cu and N2O (c) Na and NH3 (d) Cu and HNO3 The reaction which forms nitric oxide December 2, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Carbon monoxide reacts with iron to form (a) Fe(CO)5 (b) FeCO3 (c) FeO + C (d) Fe2O3 + C
02
Dec
Carbon monoxide reacts with iron to form (a) Fe(CO)5 (b) FeCO3 (c) FeO + C (d) Fe2O3 + C Carbon monoxide reacts with iron to form (a) Fe(CO)5 (b) FeCO3 (c) FeO + C (d) Fe2O3 + C December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Iron is dropped in dil. HNO3, it gives (a) Ferric nitrate (b) Ferric nitrate and NO2 (c) Ferrous nitrate and ammonium nitrate
02
Dec
Iron is dropped in dil. HNO3, it gives (a) Ferric nitrate (b) Ferric nitrate and NO2 (c) Ferrous nitrate and ammonium nitrate Iron is dropped in dil. HNO3 it gives (a) Ferric nitrate (b) Ferric nitrate and NO2 (c) Ferrous nitrate and ammonium nitrate December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
In which of these processes platinum is used as a catalyst (a) Oxidation of ammonia to form HNO3 (b) Hardening of oils
02
Dec
In which of these processes platinum is used as a catalyst (a) Oxidation of ammonia to form HNO3 (b) Hardening of oils In which of these processes platinum is used as a catalyst (a) Oxidation of ammonia to form HNO3 (b) Hardening of oils December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The extraction of which of the following metals involves bessemerisation (a) Fe (b) Ag (c) Al (d) Cu
02
Dec
The extraction of which of the following metals involves bessemerisation (a) Fe (b) Ag (c) Al (d) Cu The extraction of which of the following metals involves bessemerisation (a) Fe (b) Ag (c) Al (d) Cu December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
4K2Cr2O7−→heat 4K2CrO4 + 3O2 + X . In the above reaction X is
02
Dec
4K2Cr2O7−→heat 4K2CrO4 + 3O2 + X . In the above reaction X is 4K2Cr2O7−→heat 4K2CrO4 + 3O2 + X . In the above reaction X is December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The least stable oxide at room temperature is (a) ZnO (b) CuO (c) Sb2O3 (d) Ag2O
02
Dec
The least stable oxide at room temperature is (a) ZnO (b) CuO (c) Sb2O3 (d) Ag2O The least stable oxide at room temperature is (a) ZnO (b) CuO (c) Sb2O3 (d) Ag2O December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,