Engineering Chemistry II Practice Test 7

1. Which type of reaction occurs in anodic areas?

2. What is the molecular formula of soda?

3. What is the molecular formula of lime?

4. The residual hardness in lime-soda process is ___________

5. At high temperature and pressure, calgon is converted into sodium ortho-phosphate which reacts with ____________ salts.

6. In zeolite process, the exchange of ___________ takes place.

7. Due to corrosion, useful properties of metals such as malleability, ductility and electrical conductivity are lost.

8. Electrodialysis is an electrically driven separation conducted at a very low pressure-driven, size-exclusion filtering process.

9. Which of the following is not used for semi-permeable membrane?

10. The pressure which is applied to separate the water from its contaminants is of the order ___________