Question

A scientist performed four investigations using eight different liquids. In each investigation, the scientist combined two of the liquids under a fume hood and recorded observations in the table below.



In which investigation is it least likely that the liquids reacted chemically?


1

3

2

4

Answer 1

Answer:

In investigation 3, as you can see that one liquid settles down while other rose up which means they aren't mixed and suggests that they didn't react chemically.

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Answer 2

Answer:

3 one liquid settled setteled to the bottom of the beaker and the other liquid rose to the top.

Explanation:According to given observation it is cleared that there will be chemical reaction taks place becouse, Both liquid are separate frome each other so one chemical reaction will takes place.