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Chemistry Quiz 36 (25 MCQs)

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1. The mass per unit volume of a substance
2. The study of the properties and changes in matter and their relation to energy.
3. Calculate the mass of oxygen present in a 55g sample of Aluminum oxide, Al2O3.
4. Type of matter that is made from 1 type of atom.
5. Describe an Electron Cloud?
6. Which of the following have the highest viscosity?
7. What is the symbol of Iron
8. The use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds.
9. Which of the following is a clue of a chemical change
10. A compound that consists of positive and negative ions:
11. Which compound is made up of carbons and hydrogen
12. A certain element is dense, shiny, and is a goodconductor of both heat and electricity. Based on these characteristics, whattype of element is this?
13. Metals are malleable, this means they are _____
14. An unknown metallic object has a mass of 54 g and occupies a volume of 18 cm3. What property can be determined from these measurements?
15. A metal and nonmetal are mixed together. What type of bond would form between the two
16. A consumer wants to do his or her part to reduce the production of waste. Which one of the following is he or she likely to do?
17. How many elements are in C6H12O6?
18. Two or more substances mingled together, but not chemically combined are known as a
19. S.I unit of heat is.
20. _____ is a measure of a method's freedom from interferences.
21. During a chemical reaction, if there is a release of energy, this type of reaction is called
22. At the negative electrode copper ions get _____
23. Classify the following as a physical change or a chemical change:decomposing mercury(II) oxide
24. A form of matter has not a fixed shape, but has a fixed volume. One example of this type of matter is:
25. Technology is all of the following EXCEPT _____
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