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Chemistry Quiz 40 (20 MCQs)

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1. What type of elements form covalent bonds?
2. Find the density of a 2 cm x 2 cm x 2 cm cube with a mass of 64 g.
3. States that in any physical or chemical reaction, mass is conserved. It can be changed from one form to another, but cannot be created or destroyed.
4. During Photosynthesis energy is absorbed. What kind of reaction is it?
5. An element contains
6. How many branches of chemistry are there?
7. If an element is shiny, malleable, and a good conductor, you would be looking for a .....
8. When two or more elements join together chemically,
9. Which branch of chemistry would take results of an experiment and determine what the results would be at different conditions?
10. ..... is the branch of chemistry that would research new medicines and how it reacts in the body.
11. Most of the mass of an atom is found in the .....
12. An agriculture class intends to find out why their garden isn't cooperating right. What type of research is used?
13. What cannot be broken down into other substances by physical or chemical methods?
14. Why is carbon able form long chains?
15. Which compound could rotate the plane of polarization of polarized light?
16. The study of substances and processes occurring in living things.
17. What kind of substance is composed of two or more elements that are chemically combined?
18. SN
19. Atoms of the same element that differ in mass.
20. These are types of wastewater except
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