Science Quiz #139
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Q1. Which of these is a sugar substitute?
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Q2. What temperature is the equivalent of 0 degrees Kelvin?
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Q3. What highly flammable metal, easy to ignite when powdered, producing a brilliant white light, and difficult to extinguish, being able to burn in both nitrogen and carbon dioxide, was used in incendiary weapons for firebombing cities in World War II and as a source of illumination in the early days of photography?
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Q4. What causes the sting caused by a nettle or an ant?
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Q5. What vitamin is retinol?
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Q6. What is a "white dwarf"?
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Q7. Where is the Sea of Muscovy?
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