Chemistry Quiz 36 (20 MCQs)

Quiz Instructions

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1. If you are observing luster, you are looking to see if an item is .....?
2. When bromine reacts with water. It will produce ..... solution.
3. In the 1980s what was the paradigm shift?
4. A substance that is formed as the result of a chemical reaction
5. Contains two or more elements chemically combined in a fixed position
6. In a solution which part of the solution is the solute:ice tea mix or water?
7. The atomic mass number is equal to which of the following?
8. What is the formula formed from atom A and Z? [Proton number of A = 11; Z = 8]
9. These contain only one kind of atom.
10. Deals with substances that are chemical combinations of elements other than carbon.
11. What is produced when lithium oxide dissolves in water?
12. What is the difference between an element and a compound?
13. Energy due to motion is ..... energy.
14. Granite is an igneous rock that contains the minerals quartz, feldspar, mica and others. The exact composition will vary from sample to sample. Granite is a(n) .....
15. The definition of an oil is
16. The fact that matter is not created or destroyed in any chemical or physical change is called the .....
17. A student calculates that they should produce 12.5g of MgO in lab. After the lab, the weighs the MgO, and finds that he made 10.8g of MgO. What is his theoretical yield?
18. What is a homogeneous mixture?
19. Pounds = ..... kg
20. A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together is called a(n)