Which one of the following substances conducts electricity by the movement of ions ?

Related Mcqs:

1. Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

   A. ionic substances
   B. metallic substances
   C. molecular solids
   D. covalent network solids

   Submitted by: Mansoor Ul Haque

2. When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?

   A. lighter
   B. intermediate
   C. heavier
   D. are collected at same time

3. Molten NaCl conducts electricity due to the presence of_______________?

   A. Free electrons
   B. Free molecules
   C. Free ions
   D. Atoms of Na and Cl

4. Following are the anions of soap which form Ca and Mg ions which we see as curd in water

   A. Sodium hexadecanoate
   B. Sodium octadecanoate
   C. Sodium pentadecanoate
   D. Both A & B

   Submitted by: Govind Soni

5. When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

   A. 0.5
   B. 1
   C. 1.5
   D. 2

6. Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?

   A. 2.0 x 10-10 mol dm-3
   B. 1.414 x 10-5 mol dm-3
   C. 1.0 x 10-10 mol dm-3
   D. 1.0 x 10-5 mol dm-3

7. Negative log of mular concentration of H+ ions is called___________________?

   A. pH
   B. pOH
   C. pKa
   D. pKw

8. In the formation of Zwitter ions proton goes from____________________?

   A. Carboxyl to amino group
   B. Amino to carboxyl group
   C. Amino group only
   D. Carboxyl group only

9. The number of ions produced by [Pt(NH3)]Cl2?

   A. 4
   B. 2
   C. 3
   D. 5

   Submitted by: Bareera

10. Nitrate (NO3) ions are obtained by the process of __________?

    A. Nitrification
    B. Fermentation
    C. Denitrification
    D. None of these

    Submitted by: Sana