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sergey [27]
3 years ago
6

One type of cold remedy is an effervescent tablet that breaks down in water. When the tablet is placed in water, it forms gas bu

bbles. In this example, the formation of a gas
A is a physical property.
B occurs when adding water to acid.
Cis a sign of a chemical change.
D occurs when the water boils.
Physics
2 answers:
oksano4ka [1.4K]3 years ago
7 0

Answer:

is a sign of a chemical change

Explanation:

The tablet reacts with the water to form carbon dioxide

wariber [46]3 years ago
6 0
I think it’s C is a sign of a chemical change.
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