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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?

To trap tiny bubbles within the candy Signup and view all the answers

What causes the popping sensation in Pop Rocks?

Carbon dioxide bubbles already present in the candy. Signup and view all the answers

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

Similarity to the Mentos-soda geyser reaction Signup and view all the answers

How do Lotsa Fizz candies create their fizziness?

Through an acid-base reaction on the tongue. Signup and view all the answers

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

The trapped carbon dioxide takes a while to escape Signup and view all the answers

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

Soda Pops Signup and view all the answers

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

Baking soda Signup and view all the answers

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

Sodium bicarbonate and tartaric acid. Signup and view all the answers

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

Powder form. Signup and view all the answers