Gr 9 NATURAL SCIENCES: CH 2.6 The general reaction of an acid with a metal hydroxide
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Questions and Answers

What is the general term for compounds consisting of a metal cation and hydroxide anion?

  • Acid Salts
  • Base Salts
  • Metal Hydroxides (correct)
  • Metal Oxides

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

  • Only water
  • Acid and base
  • Salt and water (correct)
  • Only salt

    • What is the purpose of using universal indicator paper in the experiment?

  • To identify the reactants
  • To mix the reactants
  • To observe the pH changes during the reaction (correct)
  • To balance the chemical equation

    • What is the acid used in the experiment?

    <p>Hydrochloric acid</p> Signup and view all the answers

    What is the base used in the experiment?

    <p>Sodium hydroxide</p> Signup and view all the answers

    What is the first step to write a reaction equation?

    <p>Identify the reactants</p> Signup and view all the answers

    What is the chemical equation for the reaction between hydrochloric acid and sodium hydroxide?

    <p>HCl + NaOH → NaCl + H2O</p> Signup and view all the answers

    What is the term for the mixture of acid and base in a reaction?

    <p>Acid-base reaction</p> Signup and view all the answers

    What is the purpose of balancing a chemical equation?

    <p>To ensure the number of atoms of each element is the same on both sides of the equation</p> Signup and view all the answers

    What is the salt formed in the reaction between hydrochloric acid and sodium hydroxide?

    <p>Sodium chloride</p> Signup and view all the answers

    What is the characteristic of metal hydroxides in terms of pH values?

    <p>They are basic and form solutions with pH values above 7 when dissolved in water.</p> Signup and view all the answers

    What is the general equation for the reaction of an acid with a metal hydroxide?

    <p>acid + metal hydroxide → salt + water</p> Signup and view all the answers

    What is the purpose of the second step in writing a reaction equation?

    <p>To predict the products of the reaction.</p> Signup and view all the answers

    What is the term for the substances formed in the reaction between an acid and a metal hydroxide?

    <p>Products</p> Signup and view all the answers

    What happens when an acid reacts with a metal hydroxide?

    <p>A salt and water are formed.</p> Signup and view all the answers

    What is the purpose of the third step in writing a reaction equation?

    <p>To balance the chemical equation.</p> Signup and view all the answers

    What is formed when hydrochloric acid reacts with sodium hydroxide?

    <p>Sodium chloride and water</p> Signup and view all the answers

    What is the first step in writing a reaction equation?

    <p>To identify the reactants of the reaction.</p> Signup and view all the answers

    What is the type of reaction that occurs between an acid and a metal hydroxide?

    <p>Neutralization reaction</p> Signup and view all the answers

    What is the role of the acid in the reaction between an acid and a metal hydroxide?

    <p>It acts as an acid.</p> Signup and view all the answers

    What is the purpose of combining the reactants in writing a reaction equation?

    <p>To predict the products of the reaction</p> Signup and view all the answers

    What is the role of the metal hydroxide in the reaction between an acid and a metal hydroxide?

    <p>It acts as a base</p> Signup and view all the answers

    What is the reason for balancing a chemical equation?

    <p>To ensure the number of atoms of each element is the same on both sides</p> Signup and view all the answers

    What is the characteristic of the salt formed in the reaction between an acid and a metal hydroxide?

    <p>It is a neutral substance</p> Signup and view all the answers

    What is the purpose of using a universal indicator paper in the experiment?

    <p>To measure the pH of the solution</p> Signup and view all the answers

    What happens to the pH of the solution when an acid reacts with a metal hydroxide?

    <p>It becomes neutral</p> Signup and view all the answers

    What is the term for the reaction between an acid and a metal hydroxide?

    <p>Neutralization reaction</p> Signup and view all the answers

    What is the result of not balancing a chemical equation?

    <p>The number of atoms of each element will not be conserved</p> Signup and view all the answers

    What is the purpose of identifying the reactants in writing a reaction equation?

    <p>To identify the type of reaction</p> Signup and view all the answers

    What is the result of the reaction between an acid and a metal hydroxide?

    <p>A salt and water are formed</p> Signup and view all the answers

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