Q2) TRUE/FALSE. Write ' T ' if the statement is true and ' F ' if the statement is false. Answer only 10 1. Some oxide of copper, aluminum, or chromium may form very slowly and coat the bare metal. 2. Compact layers of oxide, carbonate or sulfate can contribute to corrosion resistance. 3. Cold water is always more corrosive than hot water. 4. Plants handling poisonous, corrosive, and combustible materials often cannot operate unless corrosion is controlled. 5. Corrosion rates expressed in the English system cannot be converted to metric terms. 6. Weight change is most commonly used as the measure of the extent of corrosion. 7. Metal thickness is uniformly decreased by uniform corrosion. 8. In dissimilar metal corrosion, the more positive metal corrodes at exposed junctions between the two metals. 9. Al corrosion preventive methods for underground corrosion are effective for atmospheric corrosion