Hydrochloric acid is _______________ corrosive to common metals?
Correct answer: A. Highly
- A. Highly
- B. Not
- C. Mildly
- D. Least
Explanation
Hydrochloric acid readily attacks many common metals, producing metal chlorides and hydrogen gas, so it is classified as highly corrosive. Its action is particularly severe on unprotected iron and steel.
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