As Defined in the Text,identify the "Gas Evolution" Reactions Among

question 80

Multiple Choice

As defined in the text,identify the "gas evolution" reactions among the following: 1.2HCl(aq) + K₂CO₃(aq) → H₂O(l) + CO₂(g) + 2KCl(aq)
2.CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(l)
3.2HCl(aq) + K₂S(aq) → H₂S(g) + 2KCl(aq)

• A)1 and 2 only
• B)1 and 3 only
• C)2 and 3 only
• D)All of 1,2,and 3
• E)None of 1,2,and 3

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