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Chemistry Quiz 41 (25 MCQs)

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1. Name the elements present in Ammonia
2. A chemistry class explores the heart of a frog, What type of science is this?
3. What do we call the rows of the Periodic Table
4. What is the volume of 150. grams of lead if it has a density of 11.3 g/cm 3?
5. Metallic bonds are the attraction between
6. How many atoms of magnesium are present in 96u of Magnesium
7. Which branch of chemistry would study an unknown material to determine its composition?
8. What is a heterogenous mixture?
9. If a chemical splashes in your eyes, you should immediately use the
10. The name of C5H12 is
11. The simplest form of matter with a unique set of properties
12. What rule requires an atom to have 8 valence electrons. You can get this from a covalent or ionic bond.
13. If the density of a liquid is 0.80 g/mL, what is its specific gravity? ( at Room Temp.)
14. Convert 9.00 km to mm
15. Define a liquid.
16. When an element from group 1 reacts with water:
17. Which of the following is not an alloy?
18. If you are observing luster, you are looking to see if an item is _____?
19. Classify the following as a physical change or a chemical change:sharpening a pencil
20. Calculate volume in milliliters of 100 g of coconut oil, which has a density of 0.92g/mL.
21. Most of the familiar products around us depend on the _____ industry.
22. If a man and woman push each other in opposite directions at both 9 N, what is the net force?
23. Whatis the correct way to handle chemicals in the laboratory?
24. Your bicycle stayed outside during last week'srain. Then you noticed rust forming onsome of the shiny metal parts. What typeof change has occurred?
25. Which water does not readily from lather with soap and causes curdling of soap?
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