Gen. Chem 1 Test Questions

NORTHERN SAMAR COLLEGES, INC.
Catarman Northern Samar
SENIOR HIGH SCHOOL DEPARTMENT
MIDTERM EXAMINATION IN GENERAL CHEMISTRY 1
NAME _______________________________________ Yr. & Section _______________
Date: _______________ Score: ___________
TEST I- IDENTIFICATION (2 pts. each)- 20 Items

Directions: Write your answer on the space provided after the number. Avoid erasures.
1. _______________is anything that has mass and occupies space.

2. _______________is the amount of matter.
3. _______________exists in different physical states.
4. _______________ the philosophy that matter is made up of atom.
5. _______________ is the amount of matter.
6. _______________is the space it occupies.
7. _______________have definite shape and volume.
8. _______________ has no definite shape but has definite volume.
9. _______________particles are tightly packed together.
10. ______________is one that can be observed without changing the composition of a
substance.
TEST II- MULTIPLE CHOICE – 15 Items
Direction: Encircle only the letter of the correct answer.

1. _____is characterized by an unchanging or specific composition.
A. mixture
B. pure substance
C. matter
2. _____is composed of different pure substances that are physically combined in variable
proposition.
A. pure substance
B. mixture
C. matter
3. is the simplest type of matter that is composed of only one kind of atom.
A. element
B. compound
C. mixture
4. is composed of two or more elements.
A. compound
B. element
C. mixture
5. positively charged particle
A. neutron
B. proton
C. electron
6. zero charged atom
A. neutron
B. electron
C. proton
7. Are normally used to remove magnetic solids from nonmagnetic componenrs of a mixture.
A. Magnets
B. Sublimation
C. Evaporation
8. Volatile solids maybe separated from nonvolatile sunstances through_____.
A. Filtration
B. Sublimation
C. Evaporation
9. In______, a solid -liquid mixture is allowed to pass through a filter, trapping the solid in it.
A. Distillation
B. Filtration
C. Evaporation
10. Is the method used to separate componenrs of different degrees of solubility using a moving and
stationary fluid.
A. Distillation
B. Chromatography
C. Filtration
11. _____constitute a diverse group of materials that improve the overall appearance of a person.
A. Surfactants
B. Personal care products
C. Makeup
12._____is a general term for products applied externally to the face.
A. Foundation
B. Makeup
C. Soaps
13. It refers to the closeness of measurements within a set of data.
A. Precision
B. Accuracy
C. Measurements
14. Indicates how close a measurement is to the true or accepted value.
A. Precision
B. Accuracy
C. Measurements
15. It is a simple way to write and keep track of very large or very small numbers without having to deal
with a lot of zeros.
A. Scientific notation
B. Significant figures
C. Accuracy
16. Is a homogeneous mixture of substances and can be physically combined in varying proportions.
A. Solution
B. Solute
C. Solvent
17. It refers to the substance that gets dissolved.
A. Solvent
B. Solute
C. Mixture
18. Is the one that does the dissolving.
A. Solute
B.solvent
C. Solution
19. ______like saltwater and air, exist in a singke phase.
A. Homogeneous mixture
B. Heterogeneous mixture
20. Mixtures whose components are not evenly distributed in the sample and can thus be physically
identified are called______.
A. Homogeneous mixture
B. Heterogeneous mixture
TEST III- 5 Items

Give the name of the symbols or the symbols of the given element.
1. Oxygen
2. Nitrogen
3. Magnesium
4. Hydrogen
5. Helium
TEST IV. 10 Items

Identify the following if it an ELEMENT or a COMPOUND.
1. CO2 9. Cr
2. NaCl 10. Si
3. Fe
4. H20
5. B
6. F
7. P
8. K
TEST V. ENUMERATION
3 Types of Atoms
1.
2.
3.
3 States of Matter
1.
2.
3.
2 Classification of Matter
1.
2.
2 Types of Pure Substances
1.
2.
3 Examples of highly demanded personal care products
1.
2.
3.
2 Types of Mixture
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 1

NAME _________________________ Yr. & Section _

Date: _____ Score: _

TEST I- IDENTIFICATION (2 pts. each)- 20 Items

1. _______________is anything that has mass and occupies space.

TEST II- MULTIPLE CHOICE – 15 Items

Direction: Encircle only the letter of the correct answer.

TEST III- 5 Items

TEST IV. 10 Items

GOD BLESS YOU!

Prepared by: Noted:

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

STEM – 11 Adviser School Principal

LEAH MOORE- MANGADA

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