Diagram pack
Acids and Bases Basics
pH scale, H⁺ and OH⁻, neutralization — kitchen and lab literacy.
Acids donate H⁺; bases accept them; pH measures acidity.
Content quality
Content quality
- Quality
- School-ready
- Review
- Review approved
- Age suitability
- Lower secondary
- Safety
- Use with supervision
- License
- Original content
Simplified educational model. For learning and practice only — not professional-grade medical, engineering, or electrical documentation.
Teacher note: Kitchen-safe discussion only with teacher supervision for any hands-on demo.
Last reviewed: 5/1/2026 · Next: Review before embedding external OER figures.
- Simplified educational model. For learning and practice only — not professional-grade medical, engineering, or electrical documentation.
Curriculum alignment
Aligned for classroom support — not official national syllabus certification.
Cameroon · O Level · Chemistry · Acids and bases · GCE O Level
Cameroon · Anglophone / Francophone schools
O Level · Chemistry · Acids and bases · GCE O Level
Mapped to common school topics — aligned for classroom support, not official syllabus certification.
International · General STEM
O Level · Chemistry · Acids and bases
Global STEM foundation support for diagrams and practice.
What you will understand
Acids donate H⁺; bases accept them; pH measures acidity.
What you will draw
pH scale with labels.
What you will write
Neutralization example equation.
Where you will use it
Cleaning products, soil, and health.
Key vocabulary
- Acid
- Base
- pH
- Neutral
- Indicator
Flow stages
- 1
pH scale
0–14 bar.
- 2
Neutralization
Acid + base → salt + water.
Drawing steps
Drawing steps
- pH scale 0–14
- Examples at ends
- Neutralization equation
Application
Formulas
- HCl + NaOH → NaCl + H₂O (example)
Real-life application
- Why does baking soda calm acid indigestion?
Common mistakes
Common mistakes to avoid
- pH scale reversed