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All foams are liquid during formation. Some remain liquid while others cure or cool to solids.
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∙ 13y ago
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What is in the mixture for foam?
Yes glue is a mixture, and it is also a solution.
Can you wash polyurethane foam?
Polyurethane foam can be cleaned with a mixture of vinegar and water. Pour the solution on a soft cloth and rub the foam, rinse, and let dry.
Does sulphuric acid solution foam when mixed?
It depends what it is mixed with.
What chemical reaction does foamy fountain cause?
Foam is a solution of soap in water.
Is cake a solution suspension or colloid mixture?
solution
Which gas helps to make the foam firefighters do?
In a Compressed Air Foam System (CAFS), air or another gas is compressed and introduced into the foam solution. Larger systems use a dedicated air compressor and compresses regular air from the atmosphere. Smaller systems can use any inert compressed gas such as Carbon Dioxide (CO2), Compressed Nitrogen (N2) or smaller tanks of compressed regular air. The simplest, most efficient and least expensive way of producing foam is with a portable foam eductor. These foam systems use regular hand lines and an eductuor 100 feet from the end of the nozzle. The eductor siphons foam solution from a tank or drum using the "Venturi" principal. When the foam solution reaches a standard fog nozzle, water pressure and the broken stream produced by the nozzle introduce air into the foam solution. There are other forms of nozzles that introduce water using the "Venturi" effect that are not user adjustable like a fog nozzle. The quick easy answer is regular air is used most commonly in fire fighting foam however CO2 and N2 can be used depending on the design of the system used.
What gas do the firefighters make their foam from?
In a Compressed Air Foam System (CAFS), air or another gas is compressed and introduced into the foam solution. Larger systems use a dedicated air compressor and compresses regular air from the atmosphere. Smaller systems can use any inert compressed gas such as Carbon Dioxide (CO2), Compressed Nitrogen (N2) or smaller tanks of compressed regular air. The simplest, most efficient and least expensive way of producing foam is with a portable foam eductor. These foam systems use regular hand lines and an eductuor 100 feet from the end of the nozzle. The eductor siphons foam solution from a tank or drum using the "Venturi" principal. When the foam solution reaches a standard fog nozzle, water pressure and the broken stream produced by the nozzle introduce air into the foam solution. There are other forms of nozzles that introduce water using the "Venturi" effect that are not user adjustable like a fog nozzle. The quick easy answer is regular air is used most commonly in fire fighting foam however CO2 and N2 can be used depending on the design of the system used.
What five substances give a cloudy solution in water?
Bread,egg,emulsion,sols,foam or lather
Why is the hydrochloric acid added in the process of synthesis of adipic acid?
To further acidify the solution. The HCL removes excess sodium carbonate from the solution by reacting with it to form carbon dioxide which causes the solution to foam.
How antifoam works to prevent foaming tendency?
Antifoam works by chemically reacting to the compounds that causes a substance to foam. Simply mix the solution in with the solution that has foaming tendencies.
What will be the observations when Zinc nitrate solution is added to Lead nitrate solution?
When zinc nitrate solution is added to lead nitrate solution you willÊapparently observe a black solid being formed. All of the research yielded facts from adding solid metal to either zinc or lead.
Why do lakes foam in late summer?
Probably due to evaporation of the water, causing dissolved substances to come out of solution.
