Hydrogen Quizzes, Questions & Answers

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Do you know which two elements make up water? Do you know how long the average human can survive without water? Take this quiz to find out the answers to these questions, amongst others! Good luck!

Questions: 10  |  Attempts: 62974   |  Last updated: Mar 22, 2023
  • Sample Question 1
    Which two elements make up water?
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  • Sample Question 2
    Sound travels faster through water than air.
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  • Sample Question 3
    How long can the average human survive without water?
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