Chemistry · Important metals and their ores - Sodium (Na)
What is the chemical formula for the Sodium ore called Borax?
- 1Na2SO4 · 10H2O
- 2NaHCO3
- 3Na2CO3 · 10H2O
- 4Na2B4O7 · 10H2O✓
Correct answer
Na2B4O7 · 10H2O
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