Multiple Choice
Which characteristic of metals is primarily responsible for their ability to conduct electricity efficiently?
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1. Intro to General Chemistry
Chemical Properties
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Which substance did ancient Chinese chemists discover while searching for the elixir of immortality?
A
Mercury(II) chloride
B
Gunpowder
C
Potassium nitrate
D
Sulfuric acid
Verified step by step guidance1
Understand the historical context: Ancient Chinese chemists were searching for the elixir of immortality, which led them to experiment with various substances.
Recall that during these experiments, they discovered a mixture that was highly reactive and eventually became known as gunpowder.
Identify the components of gunpowder, which typically include potassium nitrate (saltpeter), sulfur, and charcoal.
Recognize that mercury(II) chloride and sulfuric acid were not the substances discovered in this context; instead, the discovery was related to the explosive mixture.
Conclude that the substance discovered by ancient Chinese chemists while searching for the elixir of immortality is gunpowder.
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