NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these substances are considered to be chemicals?
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cyanide
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arsenic & mercury
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acetaminophen & ibuprophen
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all of these are chemicals
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Explanation:
Detailed explanation-1: -Other chemical substances commonly encountered in pure form are diamond (carbon), gold, table salt (sodium chloride) and refined sugar (sucrose).
Detailed explanation-2: -The three main classes of substances are elements, compounds, and mixtures: Elements – These are substances containing atoms of only one type.
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