Friday
September 19, 2014

Homework Help: Chemistry grd 12

Posted by Sky on Sunday, October 27, 2013 at 4:05pm.

for the below questions the food samples were onion juice, cornflakes, egg, milk, salad dressing and instant oatmeal.

1) Why are you required to wear safety eye wear and protective clothing while conducting an investigation of testing food samples for proteins,starch,sugar and fat?

2) Why must the test tubes be thoroughly cleaned and dried when one part of the procedure is completed before starting the next part of the procedure for testing food samples for proteins, starch, sugar and fat?

3) Why would distilled water be tested during a investigation for testing food samples for proteins, starch, sugar and fat?

4) Describe any limitations to the usefulness of these tests for food samples.


Thankyou very much for your help:)

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