Midterm GEN CHEM 2 TEST QUESTIONS

NORTHERN SAMAR COLLEGES, INC.
Catarman, Northern Samar
SENIOR HIGH SCHOOL DEPARTMENT
MIDTERM EXAMINATION IN GENERAL CHEMISTRY 2
NAME _______________________________________ Yr. & Section _______________
Date: _______________ Score: ___________
TEST I- MATCHING TYPE (2 pts each)- 40 items
Directions: Match column A with the column B. Write only the letter of the correct answer.
Column A
1. ____explains the properties of solids and liquids in terms of inter-molecular forces of

attraction and the kinetic energy of the individual particles.
2. ____it has definite shape and volume.
3. ____has no definite shape.
4. ____the intermolecular forces of attraction in a pure substance.
5. ____exist between polar molecules.
6. ____acts between an ion and a polar molecule.
7. ____is a special type of dipole-dipole interaction that exists only in molecules that contain a
hydrogen atom bonded to a small, highly electronegative atom such as N, O, or F.
8. ____are intermolecular forces of attraction that exist between all atoms and molecule
9._____is the most common technique used to separate mixtures into pure components.
10. ___strongly attracted to each other.
11. ___weakly attracted to each other.
12. ___have a highly regular arrangement of particles.
13. ___is a three -dimensional system of points designating the positions of tge components that make
up a crystal.
14. ___have considerable disorder in their structure.
15. ___are mixtures of two or more substances evenly distributed throughout a single phase.
16. ___is the substance dissolved in a solution and is usually present in smaller amount.
17.___is the dissolving medium.
18.___contains the maximum amount of solute that the solvent can dissolve at a certain temperature.
19.___is the enthalpy change associated with the formation of the solution.
20.___contains less solute than the solvent's capacity to dissolve.
COLUMN B
a. solid
b. van der waals
c. liquid
d. kinetic molecular model
e. Ion-dipole forces
f. Dipole-dipole forces
g. London dispersion forces
h. Hydrogen bond
i. Crystalline solids
j. chromatography
k. Lattice
l. Amorphous solids
m. Solutions
n. Solute
o. Solvent
p. Unsaturated
q. Enthalpy of solution
r. Saturated solution
s. Supersaturated solution
TEST II- MULTIPLE CHOICES (2 pts each)- 20 items
Direction: Encircle only the letter of the correct answer.
1. It contains more dissolved solute than is present in a saturated solution.

A. Saturated solution
B. Supersaturated solution
C. Unsaturated
2. Steps 1 and 2 in energy solution is described as...
A. Exothermic process
B. Endothermic process
C. Enthalpy of solution
3. The following are the three classification of solutions EXCEPT.
A. saturated
B. Unsaturated
C. Supersaturated
D. Disaturated
4. The ___________of a component in a solution is equal to the number of moles of that component
divided by the total number of moles of all the components present.
A. Mole fraction
B. Molarity
C. Molality
5. The___________is the number of moles of solute per kilogram of solvent.
A. Molality
B. Molarity
C. Molar fraction
6. The________of a solution is the number of moles of solute per liter of solution.
A. Molality
B. Molarity
C. Solutions
7. The 3 states of matter are the following ....
A. solid, liquid, gas
B. Liquid, solid, mixture
C. Gas, solid, matter
8. The normal boiling point of water.
A. 100 degree celsius
B. 0 degree celsius
C. 20 degree celsius
9. Is the amount of heat required to vaporize one mole of a substance at its boiling point.
A. Molar heat of vaporization
B. Molar heat of boiling point
C. Vapor pressure
10. Is the resistance of a liquid to flow.
A. Viscosity
B. Vapor pressure
C. Surface tension
TEST III. TRUE or FALSE - 10 items
1. The properties of solids and liquids can be explained by the kinetic molecular model.
2. Liquids have definite volume but no definite shape.
3. The particles of solids are tightly packed.
4. The 3 states of matter are the solid, liquid and gas.
5. Hydrogen bond acts between an ion and a polar molecule.
6. Ion-dipole force is a special type of dipole-dipole interaction.
7. Forces of attraction exist between particles of substances.
8. Dipole-dipole forces exist between polar molecules.
9. The intermolecular forces of attraction in a pure substance are collectively known as
van der waals.
10. Viscosity is the property of a liquid to resist an external force and thus assume a lesser
surface area.
TEST IV.- IDENTIFICATION- 10 items
INSTRUCTION: Give the name of the element based on the given symbols.
1. He
2. Ca
3. C
4. Mg
5. Be
6. Li
7. Na
8. K
9. O
10. Fe
TEST V. Enumeration-20 Items
3 States of Matter. 2 Classification of Solids
1. 1.
2. 2.
3.
5 General Properties of Liquids(2pts.)
1. 4.
2. 5.
3.
3 Classification of Solution
1.
2.
3.
2 Elements with symbols
1.
2.
GOD BLESS YOU!

Prepared by: Noted:
JOVELYN C. DAMASO SOCORRO V. DELA ROSA, Ed. D
STEM – 11 Adviser School Principal
Approved:
LEAH MOORE- MANGADA
School President

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NORTHERN SAMAR COLLEGES, INC.

Catarman, Northern Samar

SENIOR HIGH SCHOOL DEPARTMENT

MIDTERM EXAMINATION IN GENERAL CHEMISTRY 2

NAME _______________________________________ Yr. & Section _______________

Date: _______________ Score: ___________

TEST I- MATCHING TYPE (2 pts each)- 40 items

1. ____explains the properties of solids and liquids in terms of inter-molecular forces of

TEST II- MULTIPLE CHOICES (2 pts each)- 20 items

Direction: Encircle only the letter of the correct answer.

1. It contains more dissolved solute than is present in a saturated solution.

TEST III. TRUE or FALSE - 10 items

TEST IV.- IDENTIFICATION- 10 items

TEST V. Enumeration-20 Items

3 States of Matter. 2 Classification of Solids

5 General Properties of Liquids(2pts.)

2 Elements with symbols

GOD BLESS YOU!

JOVELYN C. DAMASO SOCORRO V. DELA ROSA, Ed. D

STEM – 11 Adviser School Principal

LEAH MOORE- MANGADA

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NAME _________________________ Yr. & Section _

Date: _____ Score: _