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Which Of the following observations of Zinc metal are physical properties?
1. Zinc reacts with hydrochloric acid, forming hydrogen gas.
2. Zinc melts at 782°C.
3. The density of Zinc is 7.14 g/cm3.
4. Zinc is a moderately good electrical conductor.

Sagot :

aarontoyosi

Answer:

2,3,4

Explanation:

physical properties are properties that aren't associated with chemical composition

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