Reaching the age of Adolescence Quiz

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Questions and Answers

Which type of flame produces a hissing sound?

  • Luminous flame
  • Non-luminous flame (correct)
  • Blue flame
  • Cool flame

What is the primary product of the complete combustion of hydrocarbons?

  • Methane
  • Soot
  • Carbon dioxide (correct)
  • Carbon monoxide

What is the purpose of a Bunsen burner's air hole?

  • To control the color of the flame
  • To control the amount of air entering the burner (correct)
  • To regulate the temperature of the flame
  • To prevent soot formation

What is the color of a non-luminous flame?

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

Which gas is responsible for the characteristic blue color of a gas stove flame?

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

What is the purpose of the air hole in a Bunsen burner?

<p>To regulate the amount of air entering the burner (D)</p> Signup and view all the answers

Flashcards

Non-luminous flame

A flame that produces very little visible light and burns with a blue color, primarily due to the complete combustion of fuel.

Complete Combustion

The chemical reaction where a fuel burns completely with sufficient oxygen, producing only carbon dioxide and water as byproducts.

Bunsen burner air hole

The adjustable opening at the base of a Bunsen burner that controls the amount of air mixing with the fuel gas before combustion.

Blue flame

Usually indicates complete combustion, where a fuel burns efficiently with sufficient oxygen, producing a hot, nearly invisible flame.

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Methane (CH4)

A colorless, odorless gas that is the primary component of natural gas and a common fuel source for gas stoves and Bunsen burners.

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Bunsen burner air hole purpose

To regulate the amount of air that mixes with the fuel gas before combustion, impacting the flame's temperature and visibility.

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