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Help!just a little Chemical question...

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Help!just a little Chemical question...
When working in the laboratory,you discover that the solutions you are working with are tomato with a pH of 4 and soap with a pH of 10.By comparing the pH of these substances with that of pure water,would you find that these substances are acidic or basic?Explain.Thx
thx
西红柿的PH是4,肥皂的PH是10,水则是中性的,拿PH试纸,分别测试,西红柿的偏红,是酸性,肥皂的偏蓝是碱性,而水的基本不变,是中性!
再问: 能用英文解释吗?
再答: The tomato's PH is 4, soap PH is 10, water is neutral, take PH dipstick test, respectively, the slant red tomatoes, is acidic, soap slant blue is basic, and basic water unchanged, is neutral