Trivia questions and answers, drawn fresh from the well

• Hard Hard difficulty.
• C

In music, what is the interval between C and F sharp?

Answer

augmented fourth

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• Hard Hard difficulty.
• C

What is the name of the stable carbon isotope with 7 neutrons?

Answer

carbon-13

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• Hard Hard difficulty.
• C

In music, what mode is played by starting on E using only the white keys of a piano?

Answer

Phrygian

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• Hard Hard difficulty.
• C

In C programming, what standard library header provides macros for variable argument lists?

Answer

<stdarg.h>

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• Intermediate Intermediate difficulty.
• C

In C programming, what standard library function converts a string to a long integer?

Answer

strtol

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• Intermediate Intermediate difficulty.
• C

In C programming, what keyword restricts a variable or function to the file in which it is declared?

Answer

static

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• Intermediate Intermediate difficulty.
• C

What is the name of the carbon allotrope consisting of a one-atom-thick hexagonal lattice?

Answer

graphene

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• Intermediate Intermediate difficulty.
• C

What is the name of the process that converts organic matter into carbon by destructive distillation?

Answer

carbonization

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• Intermediate Intermediate difficulty.
• C

In C programming, what standard library header provides functions for character classification?

Answer

<ctype.h>

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• Intermediate Intermediate difficulty.
• C

What is the frequency of C2 (two octaves below middle C) in equal temperament?

Answer

65.406 Hz

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• Intermediate Intermediate difficulty.
• C

In C programming, what keyword indicates that a variable may change at any time without action from the code?

Answer

volatile

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• Easy Easy difficulty.
• C

In C programming, what keyword is used to define a type alias?

Answer

typedef

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