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DanielleElmas [232]
3 years ago
13

Which of the following is not an example of separation by physical means?

Biology
2 answers:
yaroslaw [1]3 years ago
8 0
Evaporation is not an example of separation by physical means.
Alina [70]3 years ago
3 0
C) Electrolysis <span> 

WHY?

</span><span>electrolysis is a method of using an electric current to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially highly important as a stage in the separation of elements from naturally-occurring sources such as ores using an electrolytic cell.</span><span>


**Sorry if wrong tried my best X3*

</span>
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Jlenok [28]

Answer:

The formation of sedimentary rocks is indeed a physical change because we are only changing the physical structure of the rock/rocks by compacting them together, they're still rocks.

Explanation:

Remember that physical changes are when you are only changing a physical characteristic of an object. A common example of a physical change would be breaking a piece of wood. Even though the wood is now smaller, and its physical appearance has changed, the wood is still wood.

Sedimentary rocks are formed by compaction, where many rocks are compacted together, and the pressure causes all the rocks to form together into one big rock.

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