1. Chapter 10 Review
Chemistry

2. Q1
THE CHANGE OF STATE DIRECTLY FROM A SOLID TO A GAS IS ______________________________.

3. A 1
SUBLIMATION

4. Q 2
A MIXTURE OF SUGAR DISSOLVED IN WATER IS AN EXAMPLE OF A(N)_____________________________.

5. A 2
SOLUTION

6. Q 3
A(N)_________________________OCCURS WHEN ATOMS BREAK THEIR OLD LINKS AND FORM NEW LINKS WITH OTHER ATOMS.

7. A 3
CHEMICAL CHANGE

8. Q 4
A(N) _______________________TASTES SOUR AND CAN DISSOLVE INWATER.

9. A 4
ACID

10. Q 5
A(N) ___________________________TURNS RED LITMUS PAPER BLUE.

11. A 5
BASE

12. Q 6
Which part of a solution is dissolved? ___________

13. A 6
solute

14. Q 7 Which will produce a chemical reaction?
A. dropping a rock into water
B. paper into a shredder
C. baking soda into vinegar
D. mixing salt and pepper

15. A 7
C. Baking soda and vinegar mixed causes a chemical reaction.

16. Q 8
A SUBSTANCE THAT FORMS IONS WHEN DISSOLVED IS A(N) ________________________.

17. A 8
ELECTROLYTE

18. Q 9
WHAT CHEMICAL FORMULA SHOWS TWO ATOMS OF IRON AND THREE ATOMS OF OXYGEN?
A. Fe2O
B. Fe2O3
C. Fe3O2
D. FeO3

19. A 9
B. Fe2O3

20. Q 10 What is the boiling point of water? A. 100 degrees Celsius
B. 70 degrees Celsius
C. 50 degrees Celsius
D. 0 degrees Celsius

21. A 10
100 degrees celsius

22. IN A PROCESS CALLED ____________________,
Q 11
IN A PROCESS CALLED ____________________,
ACIDS AND BASES REACT
TO FORM SALT AND WATER.

23. A 11
NEUTRALIZATION

24. Q 12
A MIXTURE WITH PARTS THAT ARE JUST SMALL ENOUGH NOT TO FORM LAYERS IS A(N) ______________________________.

25. A 12
COLLOID

26. Q 13
A(N)______________________ IS FORMED BY THE COMBINATION OF TWO OR MORE ELEMENTS.

27. A 13
COMPOUND

28. Q 14
A PHYSICAL COMBINATION OF SUBSTANCES THAT REMAIN THE SAME IS A(N) _____________________.

29. A 14
MIXTURE

30. Q 15
A(N) ________________________ALTERS THE FORM OF AN OBJECT BY NOT ITS SUBSTANCE.

31. A 15
PHYSICAL CHANGE

32. Q15 LABEL THE PARTS OF THE EQUATION. H + O2 H2O
___________ = ___________

33. A 15
REACTANTS = PRODUCTS

34. Q 16
Explain the effects of thermal expansion and thermal contraction on a hot air balloon.

35. A 16
Discuss what thermal expansion and expansion do to make the balloon rise and fall.

36. Q 17
What are common uses for acids? Give an example of an acid.

37. A 17
Common uses for acids are making plastics, cleaning steel, and digesting food.

38. Q 18
What are some common uses for bases? What is an example of a base.

39. A 18
BASES ARE USED FOR CLEANING DRAINS, MAKING FERTILIZERS, AND MAKING DETERGENTS.

40. Q 19
A SCIENTIST WANTS TO TEST THE ACIDITY OF A SOLTION. What can she do?

41. A 19
While being careful not to touch the solution, the scientist can use litmus paper to test the acidity. If the solution is acidic, it will turn the blue litmus paper red. It will have no effect on red litmus paper and will remain red.

42. Q 20
Give an example of how people use colloids every day. What is an example of a Colloid?

43. A 20
Find an example of a colloid and what it is used for.

44. How do plants use chemical reactions?
Q 21
How do plants use chemical reactions?

45. A 21
Discuss the process of photosynthesis in your answer. What gasses does the plant need and what does it give off.

46. Q 22
A student fills a paper cup with water and puts it in a freezer overnight. When she takes the cup out the next day, she notices that the sides of the cup are pushed out. Why did this happen?

47. to the shape of the bottle
Discuss what happens
to the shape of the bottle
and what happens
to the water inside…