Gr 9 NATURAL SCIENCES: CH 2.4 The reaction of sulfur with oxygen
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Questions and Answers

What is the definition of combustion?

  • A chemical reaction where a substance reacts with air to produce heat and light.
  • A chemical reaction where a substance reacts with oxygen to produce heat and light. (correct)
  • A chemical reaction where a substance reacts with water to produce heat and light.
  • A chemical reaction where a substance reacts with nitrogen to produce heat and light.

What is formed when sulfur reacts with oxygen?

  • Sulfur monoxide
  • Sulfur trioxide
  • Sulfur dioxide (correct)
  • Sulfur nitride

What is the general equation for non-metal reactions with oxygen?

  • Non-metal + oxygen → non-metal oxide (correct)
  • Metal + water → metal hydroxide
  • Metal + oxygen → metal oxide
  • Non-metal + water → non-metal hydroxide

What is a use of sulfur dioxide?

<p>As a preservative in dried fruits (D)</p> Signup and view all the answers

What is a hazard associated with mining sulfur?

<p>Inhalation of sulfur dioxide gas (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

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

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

What is a characteristic of the flame produced by burning sulfur?

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

What type of compound is formed when a non-metal reacts with oxygen?

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

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

<p>S + O2 → SO2 (D)</p> Signup and view all the answers

What is the purpose of using sulfur dioxide in dried fruits?

<p>To prevent decay (B)</p> Signup and view all the answers

Why is the reaction of sulfur with oxygen not typically demonstrated in classrooms?

<p>Due to the toxic nature of the product (D)</p> Signup and view all the answers

What is the byproduct of sulfur mining that is hazardous to humans?

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

What is the color of the flame produced when sulfur burns in oxygen?

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

What type of substance is sulfur?

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

What is the term for a substance that can cause harm to living organisms?

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

What is the purpose of combustion reactions?

<p>To produce heat and light (C)</p> Signup and view all the answers

What is the reactant that is a yellow non-metal?

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

Why is it important to understand the reaction of sulfur with oxygen?

<p>Due to its applications and implications (A)</p> Signup and view all the answers

What is the characteristic of sulfur when it burns in oxygen?

<p>It produces a blue flame (C)</p> Signup and view all the answers

What is the primary reason why sulfur dioxide is used in food preservation?

<p>To prevent the growth of microorganisms (A)</p> Signup and view all the answers

Which of the following best describes the reaction of sulfur with oxygen?

<p>A chemical reaction that produces a toxic gas (D)</p> Signup and view all the answers

What is a common application of sulfur dioxide?

<p>As a preservative in food products (B)</p> Signup and view all the answers

What is the primary hazard associated with mining sulfur?

<p>Inhalation of toxic gases (A)</p> Signup and view all the answers

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

<p>It acts as a reactant to form a new compound (A)</p> Signup and view all the answers

What is the characteristic of the flame produced when sulfur burns in oxygen?

<p>It has a blue color (D)</p> Signup and view all the answers

Why is it important to understand the reaction of sulfur with oxygen?

<p>To understand its applications and implications (D)</p> Signup and view all the answers

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

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

What is the purpose of providing visual representations of sulfur burning in oxygen?

<p>To provide a visual aid for understanding the reaction (C)</p> Signup and view all the answers

What is the significance of sulfur dioxide in the context of mining sulfur?

<p>It is a byproduct of sulfur mining that is hazardous to humans (A)</p> Signup and view all the answers

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