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Acids 101
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Acids 101

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Questions and Answers

Which of the following is a characteristic of acids?

  • They give negative hydrogen (H-) ions in water solution.
  • They turn red litmus to blue.
  • They have a sweet taste.
  • They turn blue litmus to red. (correct)

    • Which of the following is an example of a strong acid?

  • KOH (Potassium Hydroxide)
  • HNO3 (Nitric Acid) (correct)
  • CH3COOH (Acetic acid)
  • CuO (Copper Oxide)

    • What is the chemical reaction between an acid and a base called?

  • Reduction reaction
  • Combustion reaction
  • Oxidation reaction
  • Neutralization reaction (correct)

    • What is the product of the reaction between acid and metal?

    <p>Salt + Hydrogen gas</p> Signup and view all the answers

    Which of the following is an example of a reaction between a metal oxide and an acid?

    <p>CuO + HCl → CuCl2 + H2O</p> Signup and view all the answers

    Which of the following is a characteristic of acids?

    <p>They turn blue litmus to red.</p> Signup and view all the answers

    What is the product of the reaction between acid and metal?

    <p>Salt + Hydrogen gas</p> Signup and view all the answers

    Which of the following is an example of a weak acid?

    <p>CH3COOH (Acetic acid)</p> Signup and view all the answers

    Which of the following is an example of a concentrated acid?

    <p>HCl (Hydrochloric Acid)</p> Signup and view all the answers

    What is the product of the reaction between CuO (Copper Oxide) and HCl (Hydrochloric Acid)?

    <p>CuCl2 + H2O</p> Signup and view all the answers

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