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GMU:DIY Biolab “Driver’s License”/Yang Li (view source)
Revision as of 16:14, 10 January 2018
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I use red cabbage to make pH indicator. The pH solution from 2 to 13. | I use red cabbage to make pH indicator. The pH solution from 2 to 13. | ||
[[File:WechatIMG440.jpeg|400px]] | |||
1. pH=2 100ml distilled water + 1ml HCL | 1. pH=2 100ml distilled water + 1ml HCL | ||
[[File:WechatIMG418.jpeg|400px]] | [[File:WechatIMG418.jpeg|400px]] | ||
2. pH=4 100ml distilled water + 0.1g apple acid | 2. pH=4 100ml distilled water + 0.1g apple acid | ||
[[File:WechatIMG438.jpeg|400px]] | [[File:WechatIMG438.jpeg|400px]] | ||