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Oxygen Trivia Quiz

The element oxygen.

A multiple-choice quiz by TonyTheDad. Estimated time: 3 mins.

Author
TonyTheDad

Time
3 mins

Type
Multiple Choice

Quiz #
31,552

Updated
Dec 03 21

# Qns
5

Difficulty
Average

Avg Score
3 / 5

Plays
6707

Last 3 plays: Guest 46 (4/5), fado72 (4/5), Lord_Digby (4/5).

One at a Time - Single Page - Timed Game

Question 1 of 5

1. 'Oxygen' means: Hint

acid forming

salt forming

life making

Oprah forming

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Question 2 of 5

2. Oxygen forming the molecule O3 is called: Hint

Oxygen

Ozone

Triox

Dreiox

NEXT>

Question 3 of 5

3. The unstable isotope, O-15, has a half life of about: Hint

2,000,000 years

2 days

2 minutes

2000 years

NEXT>

Question 4 of 5

4. Molecular oxygen (O2) comprises what percentage of the Earth's atmosphere (at sea level)? Hint

NEXT>

Question 5 of 5

5. What life process of most life forms requires oxygen? Hint

reproduction

respiration

osmosis

photosynthesis

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Most Recent Scores

Dec 18 2024 : Guest 46: 4/5
Dec 05 2024 : fado72: 4/5
Dec 05 2024 : Lord_Digby: 4/5
Dec 05 2024 : stephedm: 5/5
Dec 05 2024 : 1995Tarpon: 4/5
Dec 05 2024 : rossian: 5/5
Dec 05 2024 : Rizeeve: 4/5
Nov 13 2024 : Guest 104: 2/5

Score Distribution

Quiz Answer Key and Fun Facts

1. 'Oxygen' means:

Answer: acid forming

2. Oxygen forming the molecule O3 is called:

Answer: Ozone

In the upper atmosphere, naturally-occuring ozone protects the Earth from excess ultra-violet rays.

3. The unstable isotope, O-15, has a half life of about:

Answer: 2 minutes

122.2 seconds to be precise

4. Molecular oxygen (O2) comprises what percentage of the Earth's atmosphere (at sea level)?

Answer: 21

Air is 78 percent nitrogen, 21 percent oxygen, and 1 percent other gases.

5. What life process of most life forms requires oxygen?

Answer: respiration

It is used to metabolize fuels (fats, sugars) in life forms. Even though plants create O2 in photosynthesis, at night they need to 'burn' some of the fuel they created.

Source: Author TonyTheDad

This quiz was reviewed by FunTrivia editor crisw before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.

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Referenced Topics

Science Chemistry Specific Elements

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