Question

The substances, which vapourise during burning, gives flame. Also write the false statements in their correct form.

• A. True
• B. False

Answer 1

The correct option is A True

1. Fuels are substances or materials that ignite combustion.
2. The most typical examples include wood, charcoal, coal, propane, kerosene, diesel, and natural gas.
3. Flame is a bright, blazing body of ignited gas produced by a burning object.
4. Molten wax and kerosene oil both burn while producing a flame.
5. Wood and charcoal are examples of materials that burn without a flame as they do not vaporise.
6. During burning, kerosene oil and molten wax ascend through the wick, vaporise, and create flames.
7. On the other hand, charcoal does not vapourize and does not result in a flame.
8. The wax vapours that are escaping through the glass tube may be what ignited the flame.

Hence, the given statement is True.