Give method to convert solid into gas

The process of converting a solid directly into a gas without passing through the liquid state is known as sublimation. Here are the steps:

1. Identify the Solid: Not all solids can be converted directly into a gas. The solid must be one that is capable of sublimation. Examples of such solids include dry ice (solid carbon dioxide), iodine, and naphthalene (mothballs).

2. Prepare the Solid: If necessary, break the solid into smaller pieces. This increases the surface area and can help the solid to sublimate more quickly.

3. Apply Heat: Place the solid in a container and apply heat. The amount of heat required will depend on the specific solid. For dry ice, room temperature is sufficient. For other solids, a heat source may be necessary.

4. Capture the Gas: As the solid begins to sublimate, it will turn into a gas. This gas can be captured and collected for use. This is often done by inverting a container over the solid, allowing the gas to rise into the container.

5. Store the Gas: Once the gas has been collected, it can be stored for future use. Be sure to store the gas in a container that can withstand the pressure of the gas.

Remember, safety is paramount when conducting any kind of scientific experiment. Always wear appropriate safety gear and conduct your experiment in a well-ventilated area.