A high school chemistry student in San Clemente, CA, heats sodium hydroxide (NaOH) over a bunsen burner to preparation for creating zinc (Zn) alloy on a copper penny held with tweezers.

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Creative#:

TOP22148066

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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No

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No

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No

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