Use soapy water to distinguish soft water from hard water
Applicable Academic Stage：
Junior middle school chemistry
This experiment helps students know what is hard water and what is soft water, and uses chemical methods to distinguish soft water from hard water.
Use soapy water to distinguish soft water from hard water
Experimental Instrument
7F, No.1 Building, Tianan Cyber Park, No.36 Yongfeng Road, Qinhuai District, Nanjing, China. (R&D centre)
No.306 Wenchang Road, Yongyang Street, Lishui Disctric, Nanjing, China. (Manufacturing base)
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