general chemistry

1. General
Chemistry I
Republic of the Philippines
Department of Education
REGION VII (Central Visayas)
Schools Division of Bais City
Q1/Week 1

2. TEST I. Identification
Identify what is being asked in the
following sentences.

3. 1. It is anything that is
made up of various types
of particles that occupies
physical space and has
mass.

4. 2. These are groups of
two or more atoms that
are chemically bonded.

5. 3. It is a state of matter
with fixed shape and
volume.

6. 4. These are particles
that have gained or lost
one or more of their
valence electrons.

7. 5. It is a state of matter
that has no fixed shape
and no fixed volume.

8. 6. These are the smallest
unit of matter.

9. 7. It is a state of matter
that has fixed volume
but no fixed shape .

10. 8. It is a hot ionized gas
consisting of approximately
equal numbers of positively
charged ions and negatively
charged electrons.

11. 9. A change in a substance
that involves a change in the
identity or chemical makeup
of that substance.

12. 10. A change in a substance
that involves a change that
does not change their
chemical composition.

13. 11. These are properties of a
substance that do not
depend on the amount of
matter present.

14. 12. These are properties of a
substance that depend on
the amount of matter
present.

15. 13. It is a form of matter
that consists two or more
different substances that are
not chemically joined. This
requires a physical process
to separate.

16. 14. It is a form of matter
that has a constant
composition and requires a
chemical process to
seperate.

17. 15. This chemical property
refers to whether a
substance reacts with acids,
bases and oxygen.

18. 16. This chemical property
refers to whether it will
break into charged particles
when in solution with water
or not.

19. 17. This chemical property
refers to whether a
substance can be easily
decomposed or not.

20. 18. TRUE OR FALSE.
All physical changes are
accompanied by a chemical
change.

21. TEST II.
Fill in the Blanks

24. Classify the following substances and mixtures.
PURE OR MIXTURE
IF MIXTURE,
HOMO OR HETERO
Flat Pepsi (No Bubbles)
Chocolate Chip Cookie
Italian Salad Dressing
Sugar
Soil
Aluminum Foil
Black Coffee (Native)
Paint (after stirred)
Alcohol
Pure Air
Chunky Spaghetti Sauce
Steel (Fe + C)

25. Answer Key:
1. Matter
2. Molecules
3. Solid
4. Ions
5. Gas
6. Atoms
7. Liquid
8. Plasma
9. Chemical change
10. Physical change
11. Intensive Properties
12. Extensive Properties
13. Mixture
14. Pure Subtance
15. Reactivity
16. Ionization
17. Stability
18. False