subject
History, 19.08.2020 18:01 laylay120

For a science project, Janet performs four experiments that are supposed to show a chemical reaction. She displays her results in a table. A 4-column table with 4 rows. The first column titled experiment has entries 1, 2, 3, 4. The second column titled substances has entries water + heat, vinegar + baking soda, cabbage juice + lemon juice, liquid A + liquid B. The third column titled evidence of reaction has entries gas formation, gas formation, color change, precipitate formation. The fourth column titled Chemical Reaction ? has entries yes, yes, yes, yes.

In the column titled "Chemical reaction?,” which experiment’s data should be changed to "No”?

ansver
Answers: 3

Another question on History

question
History, 21.06.2019 18:00
Which of the following flow charts accurately illustrates the history of constitutional amendments in the united states?
Answers: 1
question
History, 21.06.2019 18:00
The declaration of independence gave the americans concrete reasons for the revolution
Answers: 3
question
History, 22.06.2019 00:00
:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u.s. citizens need to protect in order to preserve the democratic political system and the american way of life.
Answers: 1
question
History, 22.06.2019 03:30
How we’re working women affected after the war
Answers: 2
You know the right answer?
For a science project, Janet performs four experiments that are supposed to show a chemical reaction...
Questions
question
Mathematics, 18.09.2019 11:50