Gr 9 NATURAL SCIENCES: CH 2.4 The general reaction of non-metals with oxygen
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Questions and Answers

What is the general word equation for the reaction of a non-metal with oxygen?

  • metal + oxygen → non-metal oxide
  • non-metal + oxygen → metal oxide
  • oxygen + oxygen → non-metal oxide
  • non-metal + oxygen → non-metal oxide (correct)

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

  • Carbon dioxide (correct)
  • Carbon trioxide
  • Oxygen carbonate
  • Carbon monoxide

What is the chemical equation for the reaction of sulfur with oxygen?

  • S + O → SO
  • S + O4 → SO4
  • S + O3 → SO3
  • S + O2 → SO2 (correct)

What is the definition of a word equation?

<p>A chemical reaction expressed in words (C)</p> Signup and view all the answers

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

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

What is the key difference between the reaction of a non-metal with oxygen and a metal with oxygen?

<p>The word equation is different (D)</p> Signup and view all the answers

What is the main advantage of using a picture equation to represent a chemical reaction?

<p>It shows the reactants and products in a more visual way (D)</p> Signup and view all the answers

What is the purpose of the word equation in a chemical reaction?

<p>To show the reactants and products in a chemical reaction (B)</p> Signup and view all the answers

In the reaction of phosphorus with oxygen, what is the ratio of phosphorus to oxygen?

<p>4:5 (B)</p> Signup and view all the answers

What is the common feature of the reactions of non-metals with oxygen?

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

What is the general pattern of the reaction of non-metals with oxygen?

<p>Non-metal oxide is formed when a non-metal burns in oxygen. (C)</p> Signup and view all the answers

What is the function of a picture equation in a chemical reaction?

<p>To illustrate the particles involved in the reaction. (B)</p> Signup and view all the answers

What is the product of the reaction of carbon with oxygen?

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

What is the reactant in the reaction of sulfur with oxygen?

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

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