Acids And Bases Quiz Basic Exam!

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Acids And Bases Quiz Basic Exam! - Quiz

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We sincerely welcome you to the Acids and bases quiz basic exam! Acids and Bases are essential compounds in chemistry. How well aware are you of them? Do you think you can pass this chemistry test? If yes, then give it a try. No cheating! All the questions are compulsory. Please make sure to read all the questions properly before answering as it can affect your scores. Your scores will be reflected once you've completed the quiz. Have fun and good luck!


Questions and Answers
  • 1. 

    List 3 properties of an acid?

    • A.

      Slippery, changes color, sour

    • B.

      Sour, reactive with metals, ability to change colors in indicators

    • C.

      Sour, changes colors, has PH more than 7

    • D.

      None of the above

    Correct Answer
    B. Sour, reactive with metals, ability to change colors in indicators
    Explanation
    The given answer correctly lists three properties of an acid: sour taste, reactivity with metals, and the ability to change colors in indicators. Acids typically have a sour taste, can react with metals to produce hydrogen gas, and can change the color of certain indicators, such as litmus paper or pH indicators, indicating their acidic nature.

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  • 2. 

    List 3 properties of a Base?

    • A.

      Sour, slippery, changes colors.

    • B.

      Slippery, shiny, bitter.

    • C.

      Biter, ablitity to change colors in an indicator, and slippery.

    • D.

      None of the above

    Correct Answer
    C. Biter, ablitity to change colors in an indicator, and slippery.
    Explanation
    The correct answer is "biter, ability to change colors in an indicator, and slippery." This answer lists three properties of a base, which are being bitter, having the ability to change colors in an indicator, and being slippery. These properties are commonly associated with bases and can be used to identify them in various chemical reactions or experiments.

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  • 3. 

    What is the product of neutralization?

    • A.

      Sugar

    • B.

      Salt

    • C.

      Water

    • D.

      Salt water

    Correct Answer
    D. Salt water
    Explanation
    Neutralization is a chemical reaction between an acid and a base, resulting in the formation of a salt and water. The product of neutralization is therefore salt water, as the acid and base combine to form a salt compound and water molecules.

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  • 4. 

    An acid is a proton donor.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An acid is a substance that can donate a proton (H+) to another substance. This definition is based on the Bronsted-Lowry theory of acids and bases. According to this theory, acids are proton donors, while bases are proton acceptors. Therefore, the statement "An acid is a proton donor" is true.

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  • 5. 

    Strong bases dissociate only slightly in water.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Strong bases actually dissociate completely in water, meaning that they break apart into ions. This is in contrast to weak bases, which only dissociate partially. Therefore, the statement that strong bases dissociate only slightly in water is incorrect.

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  • 6. 

    Weak bases dissociate almost completely when dissolved.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Weak bases do not dissociate completely when dissolved in water. Unlike strong bases, weak bases only partially ionize in water, resulting in a lower concentration of hydroxide ions. Therefore, the statement is false.

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  • 7. 

    Define an acid?

    • A.

      Produces H3O+ when dissolved in water.

    • B.

      Any substance with a ph of 8

    • C.

      Is bitter, has the ability to change color in an indicator, and is reative with meatal.

    • D.

      None of the above

    Correct Answer
    A. Produces H3O+ when dissolved in water.
    Explanation
    An acid is defined as a substance that produces H3O+ ions when dissolved in water. This is because acids are proton donors, meaning they release hydrogen ions (H+) in aqueous solutions. These hydrogen ions then combine with water molecules to form hydronium ions (H3O+). Therefore, the correct definition of an acid is that it produces H3O+ when dissolved in water.

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  • 8. 

    What is the scale used by chemists to measure the concentration of Hydronium Ions in a solution?

    • A.

      An indicator

    • B.

      PH

    • C.

      Hp

    • D.

      None of the above

    Correct Answer
    B. PH
    Explanation
    Chemists use the pH scale to measure the concentration of Hydronium Ions in a solution. The pH scale measures the acidity or alkalinity of a solution, with a pH of 7 being neutral, values below 7 indicating acidity, and values above 7 indicating alkalinity. Therefore, pH is the correct answer for this question.

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  • 9. 

    Strong Acids ionize almost completely in water.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Strong acids are substances that ionize completely in water, meaning that they break apart into their constituent ions. This results in a high concentration of hydrogen ions (H+) in the solution. Therefore, the statement that strong acids ionize almost completely in water is true.

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  • 10. 

    Which of the following is an acid?

    • A.

      Sulfuric

    • B.

      Hydrochloric

    • C.

      Phosphoric 

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the options listed (Sulfuric, Hydrochloric, and Phosphoric) are examples of acids. Acids are substances that release hydrogen ions (H+) when dissolved in water. Sulfuric acid (H2SO4), hydrochloric acid (HCl), and phosphoric acid (H3PO4) are all strong acids that dissociate completely in water, producing H+ ions. Therefore, all three options are correct answers as they are all acids.

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  • Current Version
  • Dec 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 25, 2008
    Quiz Created by
    Nina
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