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 main purpose of stomata in plants?
View QuestionWhich is the smallest bone in the human body?
View QuestionWhich element has the highest electrical conductivity?
View QuestionWhich process in plants is responsible for the loss of water vapor?
View QuestionWhat is the primary function of white blood cells?
View QuestionWhich organelle is known as the "powerhouse of the cell"?
View QuestionWhich of the following is a fundamental force in nature?
View QuestionWhat is the term for an organism that can make its own food?
View QuestionWhich gas is released during photosynthesis?
View QuestionWhat is the main component of the human skeleton?
View Question