1. What is a homogenous mixture? Name some
2. DescribeA) a solution B) a compound C) a pure substance
3. Define a
heterogeneous mixture
A compound
An element
4. Describe
A) a chemical change B) a physical change
5. Explain water properties
6. Define :
A) solute B) solvent
C) solution
7. Identify the following as a/an:
A) heterogeneous mixture B) element C) compound D) solution
Sugar water Aluminum NaCl Fe Co CO
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8. What are the metric units for mass, volume, density, temperature?
9. What is the prefix meaning “0.01”?
A) milli- B) nano- C) centi- D) kilo-
10. How many mL are in one cubic centimeter? How many in one Liter?
11.In a neutral atom, the number of _____ is always equal to the number of _____.
A) protons, neutrons B) neutrons, electrons C) protons, electrons
12. An atom with 15 protons and 16 neutrons is an atom of
A) P B) Ga C) S D) Pd
13. An element has a low melting point and does not conduct electricity. It is probably a:
A) metal B) nonmetal C) metalloid
14.. How many hydrogen atoms are indicated in the formula C6H12O6
15. The number of milligrams in 100 g is
16. What tool would be used to measure the mass of a powder?
A. Carbohydrate
_____17.. A polymer of amino acids B. Lipid
_____18. Sucrose C. Protein
_____19. Starch
_____20. Triglycerid
21-24 Describe the structure and function of each and give an example:
____21. Lipid
____22. Protein
____23. Amino Acid
___24,.Carbohydrate
Note : This is just a sample , there are other topics covered on the exam.