Answer:
Qualitative observation is an observation in which the apperance of something is described using descriptive language
Explanation:
Qualitative observation is done to test the quality or purity of a substance being examined.
Qualitative observation is based on nonnumerical information.Qualitative analysis helps us to study whether a particular functional group,ion or atom is present or absent in a given sample.
Answer:
By using the scientific method
Explanation:
observation.....hypothesis......experiment.....and finally a conclusion
Answer:
D
Explanation:
The same chlorophyll can be identified if it moves the same distance up the second chromatography strip as it did on the given chromatography strip.
The shelf life for feed that is fortified with non-stabilized vitamin c is approximately 3 months before it oxidizes and losses its antioxidant qualities. It does not expire the moment the packaging is damaged and the product is exposed to light or air.