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Chemistry Quiz 15 (25 MCQs)

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1. This group of macromolecules including fats, oils, waxes, and steroids.
2. How are ionic bonds formed?
3. Which of the following lists contains a solid, liquid and a gas?
4. What does an artery do?
5. The pH Scale works in powers of _____
6. Which is a carboxyl group?
7. The lock-and-key model of enzyme function illustrates which important characteristic of enzymes?
8. When atoms share electrons they create a bond called a(n)
9. How many elements are C6H12O6?
10. In which shel lor energy level are the valence electrons of the elements in period 2 found?
11. Which statement is NOT true of chemical reactions?
12. Covalent bonds mainly occur between
13. What is the maximum capacity of electrons located in the d-sub shell?
14. The energy required to start a chemical reaction is _____
15. The _____ is considered as standard by the IUPAC
16. Source of quick energy
17. The subatomic particle with a negative charge is the
18. What elements is necessary for muscle contractions and nerve impulse transmission?
19. The study of matter and its processes is
20. In preparing coffee using the Barako coffee beans, you may pour the boiled coffee mixture into a piece of cloth. Which method is being illustrated?
21. What are two properties of most nonmetals?
22. The heat required to raise the temperature of body by 1 K is called
23. Water is considered a
24. The atomic number is the number of _____
25. Which particle has a positive charge and is located at the center of an atom?
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