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5 g of zinc is treated separately with an excess of (A) Dilute hydrochloric acid and (B) Aqueous sodium hydroxide The ratio of the volumes of H2 evolved in these two reactions is
03
Dec
5 g of zinc is treated separately with an excess of (A) Dilute hydrochloric acid and (B) Aqueous sodium hydroxide The ratio of the volumes of H2 evolved in these two reactions is 5 g of zinc is treated separately with an excess of (A) Dilute hydrochloric acid and (B) Aqueous sodium hydroxide The ratio [...]
The electronic configurations of bivalent europium and trivalent cerium are (Atomic number : Xe = 54 , Ce = 58, Eu = 63)
03
Dec
The electronic configurations of bivalent europium and trivalent cerium are (Atomic number : Xe = 54 , Ce = 58, Eu = 63) Ce = 58 Eu = 63 The electronic configurations of bivalent europium and trivalent cerium are (Atomic number : Xe = 54 December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM [...]
In the following reactions products (A) and (B) respectively, are : NaOH + Cl2 →(A) + side products (hot and conc.) Ca(OH)2 + Cl2 →(B) + side products (dry)
03
Dec
In the following reactions products (A) and (B) respectively, are : NaOH + Cl2 →(A) + side products (hot and conc.) Ca(OH)2 + Cl2 →(B) + side products (dry) are : NaOH + Cl2 →(A) + side products (hot and conc.) Ca(OH)2 + Cl2 →(B) + side products (dry) In the following reactions products (A) [...]
The purest form of commercial iron is (a) Scrap iron and pig iron (b) Wrought iron (c) Cast iron (d) Pig iron
03
Dec
The purest form of commercial iron is (a) Scrap iron and pig iron (b) Wrought iron (c) Cast iron (d) Pig iron The purest form of commercial iron is (a) Scrap iron and pig iron (b) Wrought iron (c) Cast iron (d) Pig iron December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The atomic radius of Ag is closest to (a) Cu (b) Hg (c) Au (d) Ni
03
Dec
The atomic radius of Ag is closest to (a) Cu (b) Hg (c) Au (d) Ni The atomic radius of Ag is closest to (a) Cu (b) Hg (c) Au (d) Ni December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The highest possible oxidation states of uranium and plutonium, respectively, are (a) 6 and 4 (b) 7 and 6 (c) 4 and 6 (d) 6 and 7
03
Dec
The highest possible oxidation states of uranium and plutonium, respectively, are (a) 6 and 4 (b) 7 and 6 (c) 4 and 6 (d) 6 and 7 are (a) 6 and 4 (b) 7 and 6 (c) 4 and 6 (d) 6 and 7 respectively The highest possible oxidation states of uranium and plutonium December [...]
The correct order of the first ionization enthalpies is (a) Mn < Ti < Zn < Ni (b) Ti < Mn < Ni < Zn
03
Dec
The correct order of the first ionization enthalpies is (a) Mn < Ti < Zn < Ni (b) Ti < Mn < Ni < Zn The correct order of the first ionization enthalpies is (a) Mn < Ti < Zn < Ni (b) Ti < Mn < Ni < Zn December 3, 2020 Category: Uncategorised [...]
An uncharged sphere of metal is placed in between two charged plates as shown. The lines of force look like
02
Dec
An uncharged sphere of metal is placed in between two charged plates as shown. The lines of force look like An uncharged sphere of metal is placed in between two charged plates as shown. The lines of force look like. December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity [...]
The emf of the battery shown in the figure :
02
Dec
The emf of the battery shown in the figure : The emf of the battery shown in the figure : December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
In the circuit shown in the figure, the potential drop V, across the resistor of 10Ω is?
02
Dec
In the circuit shown in the figure, the potential drop V, across the resistor of 10Ω is? across the resistor of 10Ω is? In the circuit shown in the figure: the potential drop V December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,