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 15:00
Describe the development of french settlements and beginning of conflict with the native americans near the st. lawrence river.
Answers: 1
question
History, 21.06.2019 18:00
What is the purpose of the system of checks and balances
Answers: 1
question
History, 22.06.2019 02:30
What effect did ww11 have on empires that had been created by european nations
Answers: 1
question
History, 22.06.2019 04:20
How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?
Answers: 1
You know the right answer?
For a science project, Janet performs four experiments that are supposed to show a chemical reaction...
Questions
question
Mathematics, 15.07.2019 16:30