Quiz 1

1. Which of the following is the correct definition of Corrosion?

• (a) Metal combines with oxygen gives metal oxide is called corrosion

• (b) Destruction of metals by the attack of environment is called corrosion

• (c) Deterioration of metals by the attack of environment is called corrosion

• (d) All

2. Dry corrosion is also called as________

• (a) Chemical corrosion

• (b) Electrochemical corrosion

• (c) Wet corrosion

• (d) Oxidation corrosion

3. Dry corrosion takes place in_________

• (a) Homogeneous solutions

• (b) Heterogeneous solutions

• (c) Neither homogeneous nor heterogeneous

• (d) Both homogeneous and heterogeneous solutions

4. Wet corrosion is also called as___________

• (a) Chemical cell

• (b) Electro chemical cell

• (c) Oxidation reaction

• (d) Liquid metal corrosion

5. Process of corrosion enhanced by

• (a) AIR & Moisture and Electrolytes in water

• (b) Metallic impurities

• (c) Gases like CO2 & SO2

• (d) All of above.