Chlorine

10 question trivia quiz, authored by tonythedad
Last Updated: Dec 16 2020

The element chlorine.

Average score for this quiz is 6 / 10. Difficulty: Average. Played 1,560 times. As of May 31 21.

1. The name 'chlorine' comes from the Greek word khlôros meaning:

green

poisonous

yellow

odorous

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2. Chlorine falls in the halogen group in the periodic table. Halogen means:

heavenly

salt-forming

hidden

reactive

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3. Chlorine is added to most public water supplies in order to minimize tooth decay.

True

False

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4. Some tree frogs use a poisonous chlorine compound in their skin.

True

False

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5. Carl Wilhelm Scheele, the 18th century scientist, discovered chlorine, but thought it was a compound containing this element:

Hydrogen

Oxygen

Fluorine

Helium

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6. Chlorine gas escaping to the upper levels of the Earth's atmosphere destroys this important substance there.

water

carbon dioxide

ozone

nitrous oxide

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7. Chlorine was used as a chemical warfare weapon.

True

False

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8. Chlorine is found in pure form at altitudes above 5000 ft. above sea level.

True

False

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9. Carbon tetrachloride (CCl4) was NOT used in which of these?

insect collecting

fire extinguishers

contact lens cleaning solutions

refrigeration

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10. Industrial levels of chlorine are produced mainly by this method:

diffusion

evaporation

electrolysis

freeze-drying