General Chemistry Online: Water To Wine Exploring baking powder What are the active ingredients in baking powder? In Activity 5.2—Using chemical change to identify and unknown baking powder was the only ...
What Is A Universal Indicator? The anthocyanins can be difficult to separate from each other, as well as from other substances such as sugars. In the case of "red cabbageindicator", simple bench ...
Indicator is independent variable is __________________ and the dependent variable is _______________. DATA
1.Data table 2.Drawings: cups with indicator, products being tested, indicator plus substances being tested --
3.Graph of the results: from the most acidic to the most of red cabbage indicator (done by the teacher the night before)
1.Cut ! of a cabbage into small pieces.
2.describe the color of each substance to be tested - best to use color pencils!
place a labeled beaker in front of each substance to be tested
8.describe the color of the indicator
add about 10mL of red cabbage indicator to all labeled beakers
.add drop by drop (up to 15 drops) of substance being tested to each corresponding beaker with indicator until you see a color change
11.organize all beakers from most acidic to most basic using the pH scale for red cabbage juice as a guide
12.describe the color change in each beaker
13.estimate the pH value of each substance by using the pH scale for red cabbage juice
14.classify each product as acid, base, or neutral
15.slowly pour 2 mL of vinegar into 2 mL of baking powder and write your observations
add 2 mL of milk into each cup (A & B).
Add six drops of water, one drop at a time, to cup A.
After each drop, mix well and record any change.
Using vinegar, repeat the procedure with cup B and record any changes. CLEAN UP!
Pour all substances in the waste beaker & rinse each used Remember no traces of water on your working area or -25pts for each member of the lab questions) Answer the following questi
4.From the most acidic to the most basi.
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