Question

Which most likely indicates a chemical change has occurred?

1-a solid substance becoming larger
2-a solid melting and becoming a liquid
3-a green liquid becoming a red liquid
4-a liquid freezing and becoming a solid

Answer 1

Answer:

I think that the answer is 3- a green liquid becoming red liquid.

Answer 2

A green liquid becoming a red liquid, most likely indicates a chemical change has occurred. (option 3)

• There are many different changes that we may observe in the matter in our surroundings.
• These changes have been broadly classified as physical changes and chemical changes.
• A few of the characteristics of a chemical change are such as observing a change in odor, formation of gas so bubbles appear, formation of a precipitate, change in the color of substance, etc.
• Thus, the one which most likely indicates a chemical change has occurred is, "a green liquid becoming a red liquid", that is, 'option 3'.

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