Question

1. directions

drag and drop the correct answer choice to each answer blank. or touch the answer choice followed by the answer blank.
move the correct answer to each box.
a student mixes two unknown solutions together and writes down observations.
the student thinks a chemical change is occurring because when the two solutions mix, the student observes a
unexpected change in blank. therefore, the student claims that a new substance
blank
(answer choices: was not, color, was, volume)

Explanation:

To determine the correct answer, we analyze the context of a chemical change. A chemical change is indicated by the formation of a new substance, often accompanied by observable changes like color change (unexpected color change can suggest a new substance forming). Volume change alone (like mixing solutions with no reaction) might just be a physical mixing, but color change is a more typical indicator of a chemical reaction here. So the correct term for the unexpected change is "color".

Answer:

The student thinks a chemical change is occurring because when the two solutions mix, the student observes a unexpected change in \boxed{color}. Therefore, the student claims that a new substance