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Thepotemich [5.8K]
3 years ago
15

Sam investigates the reactivity of metals in air. His observations are shown below.

Chemistry
2 answers:
viva [34]3 years ago
6 0

Answer:5

Explanation:

Rufina [12.5K]3 years ago
4 0

Answer:

(a)B,D,A,C

Explanation:

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Hope this helps!
3 0
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