Final answer:
The literary device used in the passage is simile, which compares two things using the words 'like' or 'as'.
Step-by-step explanation:
The literary device used in the passage is simile. Similes are a type of figurative language that compare two things using the words 'like' or 'as'. In the passage, the author makes a comparison between different objects or concepts using the word 'is', which indicates a comparison. For example, 'Caramel is sugar burnt to syrup in a pan' and 'Chaos is a pinch of joy, a bit of screaming' are both similes that compare one thing to another.