Chemistry! The following questions are all related to Chemistry.

Every question has a UEB version and a Nemeth Code version. First comes a set of three questions in which UEB is the code for Chemistry.
Then comes a set of three questions in which The Nemeth Code 2022 (and its chemical notation publication) is the code for Chemistry.

Links to relevant rules and guidelines:

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* 1. UEB is the code for Chemistry in this question.

Which option is the punchline for the joke started below?

Why do chemistry students tell the worst jokes?

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* 2. UEB is the code for Chemistry in this question.

The braille below is used for which print symbol? (GTM §16)

⠘⠸⠶

Question Title

* 3. UEB is the code for Chemistry in this question.

Which of the following may be used for representing structural formulae? (GTM §16.7)

Question Title

* 4. The Nemeth Code is the code for Chemistry in this question.

Which option is the punchline for the joke started below?

Why do chemistry students tell the worst jokes?

Question Title

* 5. The Nemeth Code is the code for Chemistry in this question.

The braille below is used for which print symbols? (Chemistry Code §3.1.4)

⠸⠩⠀⠫⠒⠕⠫⠪⠒⠀⠸⠱

Question Title

* 6. The Nemeth Code is the code for Chemistry in this question.

A single vertical bond should be aligned how? (Chemistry Code §2.3.1.a)

T