jairradrummond2731 jairradrummond2731

30-10-2020
Chemistry

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Tijuan mixed a solid and a liquid together in a beaker. He determined that a chemical change occurred. If his conclusion is correct, which substances could he have been observing and why?

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pstnonsonjoku pstnonsonjoku

31-10-2020

Answer:

The production of bubbles indicates that a new substance formed

Explanation:

A chemical change is characterized by the following:

i) A new substance is formed

ii) It is not easily reversible

iii) Heat is evolved

When Vinegar and baking soda are mixed, a gas is evolved. The evolution of a gas indicates that a new substance has been formed, hence a chemical change has taken place.

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slowe1511 slowe1511

13-04-2021

Answer:

B

Explanation:

edge 2020

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