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83,401 public questions across 1,329 topics. Challenge yourself, or build the perfect quiz for game night.

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Intermediate Chemistry

Which scientist developed the first nuclear chain reaction?

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Easy Chemistry

What is the name of the process by which plants make food using sunlight?

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Easy Chemistry

What is the state of matter with definite volume but no definite shape?

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Easy Chemistry

What is the common name for H2O2?

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Hard Chemistry

What is the atomic number of the first artificially produced element?

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