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2 years ago

7

When she placed her hand on the side of the container, it felt really cold, but it didn't feel that way before. The temperature

had dropped by about 30 degrees Celsius. The substance was now grey and crystallin in structure.
Was this a chemical reaction?
Answer the question (in a complete sentence) Provide evidence to support your claim and describe (reasoning/justify) how the evidence supports the claim.

2 answers:

artcher [175]2 years ago

3 0

Answer:

this is a physical reaction

Explanation:

wel2 years ago

3 0

Answer:

this is a physical reaction

Explanation:

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