The Science Behind Pop Rocks Candy
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Questions and Answers

Where does the 'pop' in Pop Rocks come from?

  • A reaction on the tongue generating carbon dioxide
  • Trapped carbon dioxide within the candy (correct)
  • Sodium carbonate reacting with acid
  • An acid-base reaction on the tongue

How are Pop Rocks made?

  • Freezing the candy after boiling
  • By mixing baking soda with an acid
  • Adding liquid nitrogen to the mixture
  • Heating ingredients together and flushing with carbon dioxide (correct)

What happens when you pour Pop Rocks onto your tongue?

  • They will lose their flavor.
  • They will harden and become crunchy.
  • They will turn into a liquid form.
  • They will melt and dissolve, releasing carbon dioxide bubbles. (correct)

What is the role of carbon dioxide in Pop Rocks?

<p>To trap tiny bubbles within the candy (B)</p> Signup and view all the answers

What causes the popping sensation in Pop Rocks?

<p>Carbon dioxide bubbles already present in the candy. (C)</p> Signup and view all the answers

Why might someone mistakenly think the 'pop' in Pop Rocks comes from a reaction on the tongue?

<p>Similarity to the Mentos-soda geyser reaction (B)</p> Signup and view all the answers

How do Lotsa Fizz candies create their fizziness?

<p>Through an acid-base reaction on the tongue. (B)</p> Signup and view all the answers

What happens if Pop Rocks are kept in a cool, dry place?

<p>The trapped carbon dioxide takes a while to escape (A)</p> Signup and view all the answers

Which of the following is NOT mentioned as a 'popping' candy in the text?

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

Which ingredient is NOT mentioned as part of making Pop Rocks?

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

What ingredients in Lotsa Fizz candies react to produce carbon dioxide?

<p>Sodium bicarbonate and tartaric acid. (A)</p> Signup and view all the answers

In what form are the sodium bicarbonate and tartaric acid found in Lotsa Fizz candies?

<p>Powder form. (B)</p> Signup and view all the answers

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