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Questions in chemistry
📝 Answered - How do the three states of matter arise?
📝 Answered - How many grams of NH3 can be prepared from 85.5 grams of N2 and 17.3 grams of H2?
📝 Answered - When magnesium burns in [tex]Cl_2[/tex], it forms magnesium chloride. Which element is reduced?
📝 Answered - Suggest two ways to liquefy gases.
📝 Answered - What is the most important similarity between rusting and burning?
📝 Answered - What are hypotonic, isotonic, and hypertonic solutions?
📝 Answered - What type of reaction is [tex] \text{FeSO}_4 + \text{Al} \rightarrow \text{Al}_2(\text{SO}_4)_3 + \text{Fe} [/tex] and why?
📝 Answered - What is ultrafiltration?
📝 Answered - Why is silicon used to make PV cells?
📝 Answered - What happens when zinc carbonate is calcined?
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