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Chemistry
Chemistry chapter 1
Question | Answer |
---|---|
List the method in the scientific method. | Observation, Hypothesis, Perform experiment, conslution, communicated result. |
List each of the following as a quantitative observation, or qualitative observation. | |
There are 2 pieces of pie. | qualitative |
his eyes are blue | qualitative |
This rock is hard | quantitative |
That giraffe is 15 feet tall. | quantitative |
6 inch of snow fell last night | quantitative |
Classify the following as an elements, compound, homogeneous or heterogeneous substance. | |
Iron fillings | Elements |
Cement | Heterogeneous Mixture |
Nitrogen | Element |
Salt | compound |
soda | Homogeneous |
Argon | Elements |
Describe two different ways between compound and mixtures. | Compound and mixture different primarily in two ways, compound have a constant composition, mixtures do not and mixture can be separate easily, while compound can be separate by destroying the compound. |