Quiz
CHEMISTRY | Difficulty: 2 | 15 Questions00:00
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1 What is the symbol for sodium?
2 What is COP in climate talks?
3 What is the chemical symbol for tin?
4 What is the lightest element on the periodic table?
5 What burns with a blue flame?
6 What common household liquid has a pH of about 2.5?
7 What element has symbol Sn?
8 What is the process of a solid turning directly into a gas?
9 What noble gas is used in colorful signs?
10 What is table salt's chemical name?
11 What pollutant forms when nitrogen oxides react with sunlight?
12 What is a brown dwarf?
13 Metamorphosis is to change as osmosis is to ?
14 What makes stainless steel 'stainless'?
15 What gas do humans exhale primarily?
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