3. The pH value of orange juice is lower than that of stomach juice.
4. Building materials which contain calcium carbonate can react with acids to give sulphur dioxide.
5. Acidic lakes are often very muddy because a plenty of micro-organisws live there.
將句子改為正確..
科學true or false
2007-05-07 10:00 pm
回答 (2)
2007-05-07 10:08 pm
✔ 最佳答案
3. The pH value of orange juice is higher (lower) than that of stomach juice.4. Building materials which contain calcium carbonate can react with acids to give carbon(sulphur) dioxide.
5. Acidic lakes are very muddy because a plenty of micro-organisws live there.
參考: ME
2007-05-07 10:04 pm
3) The pH value of orange juice is "higher" than that of stomach juice.
2007-05-07 14:05:13 補充：
sorry ,typing error it should be..The pH value of orange juice is "higher" than that of stomach juice.
2007-05-07 14:05:13 補充：
sorry ,typing error it should be..The pH value of orange juice is "higher" than that of stomach juice.
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