PA Mining Law - Sections 251-260 (1)
Practice test questions for the PA Mine Officials' Exam


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Question 5 of 16

5.  Which of the following is NOT a characteristic of an acid?  p. 25

Choices:
  1. Breaks down fatty tissues
  2. Has a pH value between 0 and 6.9
  3. May cause permanent eye damage
  4. Contact typically causes immediate pain


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