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【单选题】
Is the following equation a formula, complete, or net ionic equation? 2 H + + SO 4 2- + CaCO 3 (s) -->H 2 O (l) + CO 2 (g) + CaSO 4 (s)
A.
formula equation
B.
complet ionic equation
C.
net ionic equation
D.
B and C
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【简答题】阅读理解。 When two English people meet, their first words will be 'How do you do?'or 'How are you? 'After the reply ' How do you do?'or 'Fine,thank you, and you?',they often talk about the weather.Th...
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