Mysterious Powders

Lab Report

Tests

This is what my table did.PR,iodine,vinegar,oil, PR,we tested for acids. Iodine,tested for starch .vinegar, to test if the substance fizzed .oil,to see if it spreed all over in the substance .
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PR

testing the PR test to see if it has acid .
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iodine

testing if there is starch .
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oil

testing to see if it spreads.
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vinegar

testing to see if it is fizzing

result and conclusion

Results/Conclusion-red orange and green,iodine test for starch.red,fizzing. orange,RR.