Gr 9 NATURAL SCIENCES: CH 2.4 Other non-metal oxides
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Questions and Answers

What type of oxide is formed when a non-metal reacts with two oxygen atoms?

  • Dioxide (correct)
  • Pentoxide
  • Trioxide
  • Monoxide

    • What is the product of the reaction between phosphorus and oxygen?

  • Phosphorus trioxide
  • Phosphorus monoxide
  • Phosphorus dioxide
  • Phosphorus pentoxide (correct)

    • What is the name of the compound formed when hydrogen reacts with oxygen?

  • Water (correct)
  • Dihydrogen monoxide (correct)
  • Hydrogen oxide
  • Dihydrogen dioxide

    • What is the term for using rules to give unique names to compounds?

    <p>Systematic naming</p> Signup and view all the answers

    What is the reaction between phosphorus and oxygen an example of?

    <p>A non-metal oxide</p> Signup and view all the answers

    What is the term for compounds formed when non-metals react with oxygen?

    <p>Non-metal oxides</p> Signup and view all the answers

    What is the prefix used to indicate the number of oxygens in the compound phosphorus pentoxide?

    <p>Pent-</p> Signup and view all the answers

    What is formed when non-metals react with oxygen?

    <p>Non-metal oxides</p> Signup and view all the answers

    Which of the following is NOT a type of equation used to represent chemical reactions?

    <p>Word chemical equation</p> Signup and view all the answers

    What is the purpose of following IUPAC rules when naming compounds?

    <p>To ensure consistency and clarity</p> Signup and view all the answers

    What is the importance of balancing chemical equations?

    <p>To reflect the conservation of mass</p> Signup and view all the answers

    What is the product of the reaction between phosphorus and oxygen?

    <p>Phosphorus pentoxide</p> Signup and view all the answers

    Which of the following is an example of a non-metal oxide that is not a dioxide?

    <p>Phosphorus pentoxide</p> Signup and view all the answers

    What is the word equation for the reaction between nitrogen and oxygen to form nitrogen dioxide?

    <p>Nitrogen + oxygen nitrogen dioxide</p> Signup and view all the answers

    What is the chemical equation for the reaction of nitrogen and oxygen?

    <p>( ext{N}_2 + 2 ext{O}_2 ightarrow 2 ext{NO}_2 )</p> Signup and view all the answers

    What is the general term for the compounds formed when non-metals react with oxygen?

    <p>Non-metal oxides</p> Signup and view all the answers

    What is the purpose of using word equations, picture equations, and chemical equations?

    <p>To understand and represent reactions</p> Signup and view all the answers

    What is the importance of following IUPAC rules when naming compounds?

    <p>To ensure the compound has a unique name</p> Signup and view all the answers

    What is true about phosphorus pentoxide and water?

    <p>Neither is a dioxide</p> Signup and view all the answers

    What is the reactant that forms water when it reacts with oxygen?

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

    What is the general characteristic of chemical equations?

    <p>They are always balanced</p> Signup and view all the answers

    What is an example of a reaction that forms a non-metal oxide?

    <p>Phosphorus reacting with oxygen</p> Signup and view all the answers

    What is the importance of understanding the reactions of non-metals with oxygen?

    <p>To understand the properties and behavior of elements and compounds</p> Signup and view all the answers

    What is the general term for compounds formed when non-metals react with oxygen?

    <p>Non-metal oxides</p> Signup and view all the answers

    What is the correct systematic name for the compound H2O?

    <p>Dihydrogen monoxide</p> Signup and view all the answers

    Which of the following non-metal oxides is an example of a dioxide?

    <p>Sulfur dioxide</p> Signup and view all the answers

    What is the product of the reaction between carbon and oxygen?

    <p>Carbon dioxide</p> Signup and view all the answers

    What is the purpose of using prefixes in systematic naming?

    <p>To indicate the number of atoms</p> Signup and view all the answers

    What is the general term for a reaction between a non-metal and oxygen?

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

    Which of the following non-metal oxides is not a dioxide?

    <p>Phosphorus pentoxide</p> Signup and view all the answers

    What is the primary reason that not all non-metal oxides are dioxides?

    <p>The number of oxygen atoms in the compound can vary</p> Signup and view all the answers

    What is the most significant benefit of using systematic rules for naming compounds?

    <p>It ensures consistency and clarity in the naming of compounds</p> Signup and view all the answers

    What is the primary purpose of using word equations, picture equations, and chemical equations?

    <p>To represent and understand chemical reactions</p> Signup and view all the answers

    What is the significance of balancing chemical equations?

    <p>It ensures that the equation is consistent with the law of conservation of mass</p> Signup and view all the answers

    What is the primary characteristic of non-metal oxides?

    <p>They are formed when non-metals react with oxygen</p> Signup and view all the answers

    What is the primary benefit of understanding the reactions of non-metals with oxygen?

    <p>It provides insights into the properties and behavior of different elements and compounds</p> Signup and view all the answers

    What is the primary purpose of IUPAC rules?

    <p>To ensure consistency and clarity in the naming of compounds</p> Signup and view all the answers

    What is the primary characteristic of chemical equations?

    <p>They are used to represent and understand chemical reactions</p> Signup and view all the answers

    What is the common characteristic of the reactions between phosphorus, hydrogen, and carbon with oxygen?

    <p>They all involve highly reactive non-metals</p> Signup and view all the answers

    What is the prefix used to indicate the number of oxygen atoms in the compound phosphorus pentoxide?

    <p>pent-</p> Signup and view all the answers

    Which of the following reactions involves the formation of a non-metal oxide that is not a dioxide?

    <p>Phosphorus and oxygen</p> Signup and view all the answers

    What is the difference between the word equation and chemical equation for the reaction between phosphorus and oxygen?

    <p>The word equation shows the reactants and products, while the chemical equation shows the mole ratio</p> Signup and view all the answers

    What is the purpose of systematic naming in chemistry?

    <p>To give unique names to compounds</p> Signup and view all the answers

    Which of the following non-metal oxides is commonly known by a different name?

    <p>Dihydrogen monoxide</p> Signup and view all the answers

    What is the common outcome of the reactions between non-metals and oxygen?

    <p>The formation of non-metal oxides</p> Signup and view all the answers

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