酸的化学性质 活动与探究在稀盐酸和稀硫酸中分别滴加紫色石蕊溶液和无色酚酞溶液 现象稀盐酸和稀硫酸均能使紫色石蕊溶液变红色无色酚酞溶液不 Template




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tomski酸的化学性质 活动与探究在稀盐酸和稀硫酸中分别滴加紫色石蕊溶液和无色酚酞溶液 现象稀盐酸和稀硫酸均能使紫色石蕊溶液变红色无色酚酞溶液不 coloring