Subject: General Science
Book: NCERT Science Class 8
Combustion is the process of burning a substance to release energy.
- **Types of Combustion**:
- **Complete combustion**: Produces maximum heat (example: LPG).
- **Incomplete combustion**: Produces harmful gases like carbon monoxide.
- **Flame Structure**:
- Outer zone (hottest).
- Middle zone (moderate heat).
- Inner zone (least hot).
- **Fire Control Methods**:
- Using water or foam.
- Fire extinguishers.
**Possible Exam Questions:**
1. What are the conditions necessary for combustion?
2. Explain the structure of a candle flame.
3. What is the role of oxygen in combustion?
4. How do fire extinguishers work?
5. Why is incomplete combustion dangerous?
What is the chemical formula for carbon dioxide?
View QuestionWhich particle is responsible for the negative charge of an atom?
View QuestionWhich organ in the human body produces bile?
View QuestionWhat is the primary function of white blood cells?
View QuestionWhat type of energy is stored in a stretched rubber band?
View QuestionWhat is the approximate age of the Earth?
View QuestionWhat is the chemical symbol for gold?
View QuestionWhat is the SI unit of temperature?
View QuestionWhich element has the highest electrical conductivity?
View QuestionWhat is the chemical symbol for the element iron?
View Question