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Canal rays were discovered in 1886 by:

AGoldstein
BGoldsmith
CGoldberger
DGoldflame
Answer & Solution
Correct answer: A. Goldstein
1. They were found before the electron was identified. 2. They carried a positive charge. 3. E. Goldstein discovered them. _Source: syllabus Science, Ch 4 'Structure of the Atom'_
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