Match the activities in column A to their meanings in column B. (3 marks) and Match the terms in column A to their meaning in column B. (5 marks)

Here are the answers to your matching questions:

37. Match the activities in column A to their meanings in column B.

• 1. Galvanizing $\rightarrow$ B. Dipping in zinc
• 2. Annealing $\rightarrow$ D. Softening something using heat
• 3. Corrosion $\rightarrow$ A. Destruction of metal by chemical

38. Match the terms in column A to their meaning in column B.

• 1. Electrolyte $\rightarrow$ F. Molten substance that conducts electricity
• 2. Fluid $\rightarrow$ E. Substance such as gas, liquid
• 3. Atom $\rightarrow$ D. Smallest particle of chemical element
• 4. Alloy $\rightarrow$ A. Mixture of metals
• 5. Adhesion $\rightarrow$ B. Force of attraction between molecules and other materials