Philippine Secondary Learning Competency (Chemistry)

2. CHEMISTRY
SCIENCE AND TECHNOLOGY III

3. I. SOLUTIONS

4. 1.1 Identify types of solutions.
1.2 Describe changes that occur
in the dissolving process.
1.3 Relate the changes that
accompany this process to`
energy changes and
molecular interactions.
1. Gain understanding of
Solutions

5. 1.4 Enumerate and explain the
difference among saturated,
supersaturated and
unsaturated solution.
1.5 Explain the factors affecting
solubility.
1.6 State and explain the
colligative properties of
solution.
Cont..

6. 1.7 Identify the relationship of
the mole concept to the
concentration of solution.
1.8 Solve problems on solution
concentrations (% by volume
and molarity.
Cont…

7. 2.1 Apply knowledge of the
importance of colligative
properties of solutions to daily
living.
2.2 Relate solutions to water
pollution caused by toxic
substances dissolve in water
(heavy metals, pesticides,
detergents)
2. Appreciate solutions at work
in the natural environment

8. 2.3 State the importance of
electrolyte balance in the
body.
Cont…

9. VI. COLLOIDS

10. 1.1 Classify types of colloids.
1.2 Relate properties of colloids
to their behavior.
1.3 Discuss the methods and
principles applied in purifying of
colloids as in dialysis.
1.4 Prepare useful colloids
1. Demonstrate understanding
of the properties,
preparation and uses of
colloids.

12. 2.1 Explain how the properties of
colloids are utilized in technology.
2.2 Evaluate the importance of
colloids to daily life.
2.3 Describe the biological and
environmental impact of colloids
like aerosols sprays, hair gel and
smoke.
2.4 Relate the property of gas
mixture to air pollution.

15. 1.1 Enumerate and explain the
properties and behavior of gases
based on the Kinetic Molecular
Theory.
1.2 State the relationship among
molecular interactions and
phases of matter.
1.3 Compare the diffusion of gases
at standard pressure and
temperature.

16. 1.4 Infer the relationship between
the rate of diffusion and the
molecular mass of a substance.
1.5 Derive from given data the
relationship between volume and
pressure of a confined
1.6 Relate the concept of a mole
and volume of gases.
1.7 Define the variables that
describe the state of gases.

18. 2.1 Solve problems involving
Boyle’s, Charles’, Avogadro’s,
and Dalton’s Law of Partial
Pressure.

20. 3.1 Cite safety measures to be
observed in storing gases and
volatile liquids.
3.2 Apply gas laws in explaining
daily occurences.
3.3 Enumerate and explain some
technologies such as a pressure
cooker, bicycle pump, etc
3.4 Relate the properties of gases to
air pollution.