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 (A)</p> Signup and view all the answers

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

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

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

<p>Non-metal oxides (D)</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- (B)</p> Signup and view all the answers

What is formed when non-metals react with oxygen?

<p>Non-metal oxides (A)</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 (B)</p> Signup and view all the answers

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

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

What is the importance of balancing chemical equations?

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

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

<p>Phosphorus pentoxide (D)</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 (B)</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 (A)</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 ) (A)</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 (A)</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 (B)</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 (D)</p> Signup and view all the answers

What is true about phosphorus pentoxide and water?

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

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

<p>Hydrogen (C)</p> Signup and view all the answers

What is the general characteristic of chemical equations?

<p>They are always balanced (A)</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 (D)</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 (B)</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 (A)</p> Signup and view all the answers

What is the correct systematic name for the compound H2O?

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

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

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

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

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

What is the purpose of using prefixes in systematic naming?

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

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

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

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

<p>Phosphorus pentoxide (B)</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 (D)</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 (D)</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 (C)</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 (B)</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 (C)</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 (C)</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 (B)</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 (B)</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 (D)</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- (A)</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 (B)</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 (D)</p> Signup and view all the answers

What is the purpose of systematic naming in chemistry?

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

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

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

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