Is Water An Element?

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Is Water An Element? - Quiz

Take this quiz and learn more about water!


Questions and Answers
  • 1. 

    What two elements from which Water is made up of

    • A.

      Oxygen and plutonium

    • B.

      Oxygen and Hydrogen

    • C.

      Beryllium and Helium

    • D.

      Hydrogen andcopper

    Correct Answer
    B. Oxygen and Hydrogen
    Explanation
    Water is made up of two elements, oxygen and hydrogen. Oxygen and hydrogen atoms combine to form water molecules through a chemical reaction. Oxygen is a highly reactive element that readily bonds with other elements, while hydrogen is the lightest and most abundant element in the universe. When these two elements react, they form water, which is essential for life and has many important properties and uses.

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  • 2. 

    How much water cover of the Earth’s surface?

    • A.

      Around 50%

    • B.

      Around 65%

    • C.

      Around 70%

    • D.

      Around 80%

    Correct Answer
    C. Around 70%
    Explanation
    Approximately 70% of the Earth's surface is covered by water. This includes the oceans, seas, lakes, and rivers. The remaining 30% is land. Water is essential for sustaining life on Earth and plays a crucial role in regulating the planet's climate and supporting various ecosystems.

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  • 3. 

    Do you know about the longest river on Earth?

    • A.

      The Nile River

    • B.

      Rio Grande

    • C.

      Niger

    • D.

      Ottawa

    Correct Answer
    A. The Nile River
    Explanation
    The Nile River is the correct answer because it is widely recognized as the longest river on Earth. It spans across multiple countries in northeastern Africa, including Egypt, Sudan, Ethiopia, and Uganda. The Nile River has a total length of approximately 6,650 kilometers (4,130 miles) and has played a significant role in the development of ancient civilizations, such as the Egyptian civilization. It is also a vital water source for agriculture and supports a diverse ecosystem along its course.

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  • 4. 

    How many liters of water is important for human body?

    • A.

      2 to 3 lts

    • B.

      3 to 4 lts

    • C.

      4 to 5 lts

    • D.

      6 to 8 lts

    Correct Answer
    B. 3 to 4 lts
    Explanation
    The human body requires approximately 3 to 4 liters of water per day. This amount is necessary for various bodily functions such as digestion, absorption, circulation, and maintaining body temperature. Water is essential for keeping the body hydrated, flushing out toxins, and lubricating joints. It is also important for maintaining healthy skin and promoting overall well-being.

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  • 5. 

    How long can we go without water?

    • A.

      4 to 6 days

    • B.

      2 to 4 days

    • C.

      3 to 5 days

    • D.

      8 to 10 days

    Correct Answer
    D. 8 to 10 days
    Explanation
    The correct answer is 8 to 10 days. This is because the human body can typically survive for about 8 to 10 days without water, depending on various factors such as temperature, physical activity, and individual health. Water is essential for the body's proper functioning, and without it, dehydration sets in, leading to severe health complications. However, it is important to note that this is a general estimate, and individual survival times may vary.

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  • 6. 

    In which form of water, steam does create?

    • A.

      Solid

    • B.

      Gas

    • C.

      Liquid

    • D.

      Impure

    Correct Answer
    B. Gas
    Explanation
    Steam is the gaseous form of water. When water is heated to its boiling point, it undergoes a phase change and turns into steam. Steam is composed of water vapor, which is a gas. It is invisible and has the ability to expand and fill the space it occupies.

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  • 7. 

    Fresh water is more acidic compared to salt water.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Freshwater is more acidic compared to saltwater because it has a lower pH value. The pH scale ranges from 0 to 14, with 7 being neutral. Freshwater typically has a pH value below 7, indicating acidity, while saltwater has a pH value above 7, indicating alkalinity. This difference in acidity is due to various factors, such as the presence of dissolved carbon dioxide and organic acids in freshwater. Additionally, human activities such as pollution can further contribute to the acidity of freshwater bodies.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 28, 2015
    Quiz Created by
    Jamessteve
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