When an effervescent tablet is dropped in water, what indicates that a chemical change is occurring? a. the evolution of a gas b. the condensation of a gas c. the melting of a solid d. the subliming of

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asked Jul 13, 2017 182k views

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When an effervescent tablet is dropped in water, what indicates that a chemical change is occurring?

a. the evolution of a gas
b. the condensation of a gas
c. the melting of a solid
d. the subliming of a solid

Physics
high-school

Lukaszkorecki asked

by Lukaszkorecki

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I think it is a. the evolution of a gas

Alejorivera answered Jul 17, 2017

by Alejorivera

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