Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy (a) SrSO4 (b) CaSO4 (c) BeSO4 (d) BaSO4
15
Nov
Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy (a) SrSO4 (b) CaSO4 (c) BeSO4 (d) BaSO4 Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy (a) SrSO4 (b) CaSO4 (c) BeSO4 (d) BaSO4 November 15, 2020 Category: Uncategorised (JEE Advanced [...]
In the circuit shown, battery , ammeter , and voltage are ideal and the switch S is initially closed as shown. when switch S is opened,
15
Nov
In the circuit shown, battery , ammeter , and voltage are ideal and the switch S is initially closed as shown. when switch S is opened, ammeter and voltage are ideal and the switch S is initially closed as shown. when switch S is opened battery In the circuit shown November 15, 2020 Category: Uncategorised [...]
Among K, Ca, Fe, and Zn, the element which can form more than one binary compound with chlorine is (a) K (b) Ca (c) Fe (d) Zn
15
Nov
Among K, Ca, Fe, and Zn, the element which can form more than one binary compound with chlorine is (a) K (b) Ca (c) Fe (d) Zn Among K and Zn Ca Fe the element which can form more than one binary compound with chlorine is (a) K (b) Ca (c) Fe (d) Zn November [...]
Which pair of substances gives same gaseous product, when these react with water (a) Ca and CaH2 (b) Na and Na2O2 (c) K and KO2
15
Nov
Which pair of substances gives same gaseous product, when these react with water (a) Ca and CaH2 (b) Na and Na2O2 (c) K and KO2 when these react with water (a) Ca and CaH2 (b) Na and Na2O2 (c) K and KO2 Which pair of substances gives same gaseous product November 15, 2020 Category: Uncategorised [...]
In Fig. , the ammeter (I) reads a current of 10 mA, while the voltmeter reads a potential difference of 3V. The ammeters are identical, and the internal resistance of the battery is negligible (consider all ammeters and voltmeters as non ideal).
15
Nov
In Fig. , the ammeter (I) reads a current of 10 mA, while the voltmeter reads a potential difference of 3V. The ammeters are identical, and the internal resistance of the battery is negligible (consider all ammeters and voltmeters as non ideal). and the internal resistance of the battery is negligible (consider all ammeters and [...]
The low solubility of BaSO4 in water can be attributed to (a) High lattice energy (b) Dissociation energy (c) Low lattice energy (d) Ionic bond
15
Nov
The low solubility of BaSO4 in water can be attributed to (a) High lattice energy (b) Dissociation energy (c) Low lattice energy (d) Ionic bond The low solubility of BaSO4 in water can be attributed to (a) High lattice energy (b) Dissociation energy (c) Low lattice energy (d) Ionic bond November 15, 2020 Category: Uncategorised [...]
Which of following is not a water absorber and dehydrating substance (a) Silica gel (b) P2O5 (c) Conc. H2SO4 (d) Aqueous CaCl2
15
Nov
Which of following is not a water absorber and dehydrating substance (a) Silica gel (b) P2O5 (c) Conc. H2SO4 (d) Aqueous CaCl2 Which of following is not a water absorber and dehydrating substance (a) Silica gel (b) P2O5 (c) Conc. H2SO4 (d) Aqueous CaCl2 November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field (a) K (b) Rb (c) Li
15
Nov
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field (a) K (b) Rb (c) Li Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field (a) [...]
Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light.
15
Nov
Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light. Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Assertion : Lithium forms Lithium oxide (Li2O). Reason : N2 molecule have unpaired electrons.
15
Nov
Assertion : Lithium forms Lithium oxide (Li2O). Reason : N2 molecule have unpaired electrons. Assertion : Lithium forms Lithium oxide (Li2O). Reason : N2 molecule have unpaired electrons. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,