Answer:
The poisoned substance was mixed with arsenic-free zinc and sulfuric acid, resulting in arsine gas.
The gas was later ignited and decomposed into pure metallic arsenic. This test was highly sensitive and could detect even one-fiftieth of a milligram of arsenic. It was a remarkable discovery, since before that, arsenic was widely used as poison in enormous amounts of murders, impossible to detect and trace.
Answer:
<h2>1800s</h2>
Explanation:
Thomas Edison first made his impact on culture and society in the late 1800s and early 1900s. Explanation; Culture is the shared beliefs, values, and way of life of a group of people.
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Answer:
Suspision
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<span>Sherman Antitrust Act reflected Congress's
desire to lessen or limit the ability of big businesses to dominate the
economy, its purpose was to limit not entirely end the ability. The Congress
justified its passage of the Sherman Antitrust Act on the grounds of its power
given by the constitution to regulate the commerce between various states. </span>
