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Why is it dangerous to allow grease or oil to come in contact with oxygen cylinder valve?
Grease or oil can react with oxygen under pressure and can lead to a fire or explosion when near an oxygen cylinder valve. The combustion of grease or oil in the presence of pure oxygen can be highly flammable and hazardous. It can cause the oxygen in the cylinder to ignite, leading to a potential explosion.
When does refrigeration ammonia ignite?
Ammonia does not ignite under normal conditions. However, it can ignite at high temperatures when in the presence of certain materials, such as oil or grease. It is important to follow proper safety procedures when working with ammonia refrigeration systems to minimize the risk of ignition.
How much oxygen does a fire need to ignite?
Fires require oxygen to ignite and sustain combustion. In general, fires need around 16% to 17% of oxygen in the air to burn. This oxygen level is typically found in the Earth's atmosphere.
Can you ignite a fire with carbon and oxygen?
Yes, you can ignite a fire with carbon and oxygen. When carbon combines with oxygen in the presence of heat, a chemical reaction occurs, producing carbon dioxide and releasing energy in the form of heat and light, resulting in a flame.
Why can't pure oxygen ignite?
Oxygen is neither combustible nor flammable. It supports the combustion of a combustible substance. For example, if you light a match and expose it to pure oxygen, the flame will grow larger and brighter while it's in the oxygen, but the oxygen itself will not ignite.
Which non-metal will ignite spontaneously if its exposed to oxygen?
Phosphorus
How many percent of oxygen level to ignite the fire?
A minimum of 16% oxygen concentration is needed to sustain a fire. This level is known as the lower flammability limit (LFL) for oxygen. Below this threshold, there is not enough oxygen to support combustion and ignite a fire.
How much oxygen can be present before hydrogen ignites?
Hydrogen can ignite when the concentration of oxygen in the air is between 4% and 75%. Below 4%, there is not enough oxygen for ignition, and above 75%, the mixture becomes too rich to ignite.
Which non-metal will ignite spontaneously if it is exposed to oxygen?
When a non metal reacts with oxygen it produces acidic or neutral oxides
What is one way a fire could start when making or eating your dish?
if you ge grease on or near a fire and it could ignite. you can't put a grease fire out with water. but baking soda works
How do hydrocarbons ignite?
Hydrocarbons react with oxygen; the products are water and carbon dioxide.
Can oxygen and grease explode?
Yes, oxygen and grease can react and cause a fire under certain conditions, but typically they would not explode as in a chemical explosion. The combination of oxygen, heat, and flammable materials like grease can lead to combustion or fire hazards.
