大家好，下面小编给大家分享一下。很多人还不知道ph值多少是强碱性物质。下面详细解释一下。现在让我们来看看！

1.高中1mol/L溶液的PH值在1~4以内为强酸，4~6以内为弱酸，7~9以内为弱碱，10~14以内为强碱(室温)；

2.强碱是指酸碱能不能完全电离或电离为标准。酸碱浓度可以有很大的变化，pH也会有很大的变化。

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以上解释了ph值大于多少才算强碱性物质。这篇文章已经分享到这里了，希望对大家有所帮助。如果信息有误，请联系边肖进行更正。