1. Which African capital city on the Atlantic coast gets its name from the Arabic for 'fort of victory'?
2. The rate of diffusion of a gas is inversely proportional to the square root of its molar mass is called?
3. Which element gets its name from the tan ancient name for Nordic countries?
4. What does the critically acclaimed documentary 'Fire in Babylon' deal with?
5. Which musical term comes from the Italian for walking to suggest the speed of a piece of music?
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