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”?
Experiment 1
Experiment 2
Experiment 3
Experiment 4
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Are Kya iss padai me lage rehte ho yaar....
Masti kro
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i think it should 4 because they are liquids which are non vunerable and all other reactions are been tested.
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