Caucasian high school chemistry teacher demonstrates how to make brass by combining zinc and copper. Here she is dipping the copper penny into an evaporating dish with Zn and NaOH for several minutes until it coats the penny with zinc atoms.
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Details
Creative#:
TOP22305498
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
Yes
Property Release:
No
Right to Privacy:
No
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