Which of the following acids is commonly used in the pickling process of metals?

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Question: Which of the following acids is commonly used in the pickling process of metals?

Options:

Correct Answer: Hydrochloric acid

Solution:

Hydrochloric acid is commonly used in the pickling process to remove rust and scale from metals.

Which of the following acids is commonly used in the pickling process of metals?

Which of the following acids is commonly used in the pickling process of metals?

Step 1: Understand what pickling means in metal processing. Pickling is a method used to clean metals by removing rust and scale.
Step 2: Identify the common acids used in the pickling process. There are several acids, but we need to find the most common one.
Step 3: Recognize that hydrochloric acid is widely used for pickling metals because it effectively removes rust and scale.
Step 4: Conclude that hydrochloric acid is the answer to the question about which acid is commonly used in the pickling process.

No concepts available.