Engineering Chemistry II Practice Test 9

1. If the pressure of mercury bath is maintained at 30 ATM and the concentration of mercury is 89 g, calculate the temperature at that pressure (given, the gas constant is 8.314 J/mol. • K).

2. What is the life span of a general metal electrolyte?

3. Which of the following tells the amount of free fatty acids present in fat or oil?

4. Which of the following is responsible for rancidity?

5. Hydrogenation is the conversion of unsaturated acid groups into the saturated one by a catalyst ____________

6. What is the cause of the formation of the depletion layer?

7. Using which formula is concentration calculated?

8. Identify the correct conditions for electroplating to take place (in K and in ATM).

9. Drying oils are used as the medium of paints and varnishes.

10. Lubrication is necessary to protect wear and tear caused due to _______________