The rate of evaporation increases by increasing the surface area, blowing of wind and increasing the temperature 

Accelerating Evaporation in an Open China Dish

Evaporation is the process of converting a liquid into a gas or vapor. It occurs when the water molecules at the surface of the liquid gain enough energy to break free and escape into the air. The rate of evaporation depends on several factors, including the temperature, humidity, surface area, and air movement. In an open china dish, the evaporation of the liquid can be accelerated by following ways:

1. Keeping the Dish Under a Running Fan:

When the dish is kept under a running fan, the air molecules around the liquid are stirred up, which increases the movement of water molecules at the surface. This movement results in a faster rate of evaporation because the water molecules are more likely to escape into the air. Therefore, keeping the dish under a running fan can accelerate the evaporation of the liquid.

2. Keeping the Dish in the Open:

If the dish is kept in the open, then the water molecules at the surface of the liquid can easily escape into the air. This is because there is no barrier between the liquid and the air, and the water molecules can move freely. Therefore, keeping the dish in the open can accelerate the evaporation of the liquid.

3. Blowing Air into the Liquid:

Blowing air into the liquid can increase the movement of water molecules at the surface, which can result in a faster rate of evaporation. This method is similar to keeping the dish under a running fan, but the air movement is more focused on the liquid. Therefore, blowing air into the liquid can accelerate the evaporation of the liquid.

4. All are Correct:

All the methods mentioned above can accelerate the evaporation of the liquid in an open china dish. However, the degree of acceleration may vary depending on the specific conditions, such as the temperature, humidity, and size of the dish. Therefore, it is recommended to use a combination of these methods to achieve the desired rate of evaporation.

Conclusion:

In conclusion, the evaporation of a liquid can be accelerated in an open china dish by keeping the dish under a running fan, keeping the dish in the open, blowing air into the liquid, and using a combination of these methods. These methods increase the movement of water molecules at the surface, which results in a faster rate of evaporation.

Ans : (d) all of these
The rate of evaporation increases by increasing the
surface area, blowing of wind and increasing the
temperature.