Although there are numerous ways to separate salt from water, you can use a simple solar process with minimal equipment over the course of two to three days. The required materials are a baking sheet, black paper and salt water.Know More
Use black paper, because the color black absorbs all frequencies of visible light. It becomes heated from the sun more easily and quickly than paper of another color. It is important that the baking sheet becomes hot so that the water can evaporate.
Cover the entirety of the black paper with the salt water.
The baking sheet can be placed somewhere in the sun, such as a spot outside or near a sunlit window. This helps it become hot faster, which helps the water evaporate into the air more quickly. As the water evaporates, the salt stays in the baking sheet, causing the concentration of salt in the water to increase. When the concentration becomes so high that the water is supersaturated, the salt begins to crystallize into a solid. After a few days, all of the water evaporates, leaving the salt behind. This means that the water and salt have been successfully separated.
Salt added to water in a cup makes an egg float because the saltwater's density is greater than the egg's density. Density is a substance's mass divided by its volume. When sufficient salt is added to tap water, the mass of the salt-water solution increases, but the volume remains the same.Full Answer >
Propane is separated from crude oil during the refining process and extracted from natural gas at a gas processing plant. It is considered a fossil fuel because it was formed from the remains of sea animals and plants. When living organisms die and sink to the bottom of the sea, sand and silt cover them, subjecting the remains to high pressure and heat, which change the chemical makeup.Full Answer >
The gases in air can be separated from one another through a process known as the fractional distillation of liquid air. This is a process that converts air into a liquid form and then allows it to be portioned out into layers and separated from one another. Because pure oxygen and nitrogen have a number of applications, this is a useful technique.Full Answer >
Sugar can be separated from a sugar and water solution through the process of crystallization. Crystallization is obtained by first turning the solution into a "supersaturated solution" through heating, and then cooling that supersaturated solution so that crystal formation can begin.Full Answer >