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Chlorine

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Questions and Answers

Who first isolated elemental chlorine?

Chris Smith

Humphrey Davy

Tim Harrison

Carl Wilhelm Scheele (correct)

What did Carl Wilhelm Scheele mistakenly believe about his isolation of elemental chlorine?

It contained oxygen (correct)

It was a liquid at room temperature

It was highly reactive with metals

It was a clear gas

What is the color of elemental chlorine at room temperature?

Pale, yellowy green (correct)

Clear and colorless

Bright yellow

Dark green

What was the inspiration for naming the element chlorine?

<p>The Greek word khlôros meaning 'yellowish-green' (C)</p> Signup and view all the answers

Apart from disinfecting drinking water, what other 'nice' application is mentioned for chlorine?

<p>Keeping swimming pools clean (D)</p> Signup and view all the answers