Why are the flames of candles and oil lamps usually used for lighting dark areas but flames of Bunsen burners and LPG stoves usually used for heating purpose?

Explanation

To answer the question of why the flames of candles and oil lamps are usually used for lighting dark areas, while the flames of Bunsen burners and LPG stoves are typically used for heating purposes, we can break it down into a few key points:

### Step-by-Step Solution:

1. **Understanding Combustion**:
- Combustion is a chemical reaction that occurs when a substance (usually a fuel) reacts with oxygen to produce heat and light. The type of combustion can vary based on the availability of oxygen.

**Hint**: Think about what happens when a fuel burns in different environments.
...