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Tuesday, August 26, 2014

pre-lab 1: observing and predicting chemicals

1- I thought that the unknown chemicals were vegetable vinegar  also water normal vinegar all these and some were repeated.

2- The differences is that the water didn't have smell also the vinegar was bad smell and the vegtable vinegar was a terrible and awful smell.

3- All the chemicals will be mixed and then there will be a strong smell and also it will be a different color last but not least watch out of spilling.