Questions by CindyH

Questions by CindyH

In this lab, biology students were directed to use indicators as chemical detection tools, to analyze a variety of foods for the presence of carbohydrates, lipids or proteins. They preformed a specific

asked Aug 2, 2020

2 answers

5 votes

167k views

The symbol ∆ in a chemical equation means: precipitate. heat is supplied to the reaction. a catalyst is needed. yields.

asked Sep 20, 2019

2 answers

2 votes

226k views

Why is the answer B? Plz explain.

asked Feb 24, 2019

1 answer

4 votes

157k views

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