Which observation is the best indication that a chemical reaction has occurred? A. Change in temperature B. Presence of ashes C. Change from liquid to gas D. Absence of fizzing

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asked Nov 8, 2021 157k views

1 vote

Which observation is the best indication that a chemical reaction has occurred?

A. Change in temperature

B. Presence of ashes

C. Change from liquid to gas

D. Absence of fizzing

Chemistry
high-school

Lorek asked

by Lorek

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2 Answers

4 votes

Answer:B

Step-by-step explanation:

Carlos Cordoba answered Nov 10, 2021

by Carlos Cordoba

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1 vote

Answer:

B: Presence of ashes

Step-by-step explanation:

Burning molecules turns them into other molecules

Mohammed Hassan answered Nov 14, 2021

by Mohammed Hassan

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