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Question 7 of 10 Which observation is the best sign that a chemical change is happening? OA. A change from a solid to a gas B. A change from one shape to another O C. A release …

Question 7 of 10 Which observation is the best sign that a chemical change is happening? OA. A change from a solid to a gas B. A change from one shape to another O C. A release …
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Question 7 of 10

Which observation is the best sign that a chemical change is happening?
OA. A change from a solid to a gas
B. A change from one shape to another
O C. A release of light and heat
OD. A constant temperature and mass
SURA

User John Kary
by
7.3k points

1 Answer

5 votes

Answer:

A

Step-by-step explanation:

potential signs of a chemical reaction is change is color, change in temp and color

User Benjamin Ting
by
7.4k points
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