This quiz tests the knowledge and skills for the following chemistry courses: Solubility of salts and calculations, PH of solutions, concept of acids, oxidation reactions, effect of
electricity on solution of chemical compounds, electrolysis and calculations, chemical reactions and energy change.

You can take 9 mins to complete the test to build speed for the actual exam.

1. 1.0 dm3 of distilled water was used to wash 2.0 g of a precipitate of PbCl2. If the solubility product constant of lead(II) chloride is 1.70 x 10-5 mol3/dm9, what quantity of lead(II) chloride was lost in the process?
2. Three drops of a 1.0 mol/dm3 solution of HCl were added to 10 cm3 of a solution of pH 10.0. The pH of the resulting solution will be
3. 20 cm3 of 0.5 M HCl required 25 cm3 of a solution of Na2CO3 for complete neutralization. What is the concentration of the Na2CO3 solution?
4. Which of the following acids is or are monobasic?
5. In which of the following reactions does oxidation take place?
6. 10HNO3 + I2 → 2HIO3 + 10NO2 + 4H2O
In the above equation, iodine is
7. What mass of nickel would be deposited from a nickel(II) compound if the same quantity of electricity that deposited 0.26 g chromium from a chromium(III) compound is applied? [Cr = 52, Ni = 59]
8. The products of the electrolysis of molten lead(II) bromide using platinum electrodes are
9. What current will deposit 1.08 g of silver in 60 mins? [Ag = 108, 1 F = 96500 C mol-1]
10. C(s) + O2(g) → CO2(g) ∆H = -393 kJ mol-1
The above equation implies that

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