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What colour Residue will be formed when Magnesium burns in oxygen?
Blue
What is the black substance called on a burnt match?
The black substance on a burnt match is called soot. It is formed when the matchstick burns and the carbon in the wood is not completely combusted, leading to the black residue.
Which fuel does not burn without smoke?
Char or charcoal is the remaining portion of the wood material that contains unburnable minerals and pure carbon. Charcoal fire emits no smoke as it is the residue of the wood as carbon without the gases
Is dry ice a caustic material?
Dry ice is not classified as caustic. It is solid carbon dioxide that sublimates directly into a gas without leaving a liquid residue, making it non-caustic. However, it can cause burns or frostbite upon direct contact with skin due to its extremely low temperature of -78.5°C (-109.3°F).
What happens when cardboard burns?
When cardboard burns, it releases carbon dioxide and water vapor into the air, along with other chemicals present in the cardboard. The flames will consume the cardboard material until it is completely burned, leaving behind ashes. It is important to note that burning cardboard releases pollutants into the air and can contribute to air pollution.
Why is the alcohol lamp commonly used as the source of heat in laboratories?
Because it burns cleanly and without residue.
What colour Residue will be formed when Magnesium burns in oxygen?
Blue
What is the black substance called on a burnt match?
The black substance on a burnt match is called soot. It is formed when the matchstick burns and the carbon in the wood is not completely combusted, leading to the black residue.
Does white residue form on spark plug when it burns antifreeze?
No. Keep researching
What is one advantage of using propane as a fuel?
Propane burns without leaving behind any ashes, unlike wood or coal. It is therefore neater.
Which fuel does not burn without smoke?
Char or charcoal is the remaining portion of the wood material that contains unburnable minerals and pure carbon. Charcoal fire emits no smoke as it is the residue of the wood as carbon without the gases
Is dry ice a caustic material?
Dry ice is not classified as caustic. It is solid carbon dioxide that sublimates directly into a gas without leaving a liquid residue, making it non-caustic. However, it can cause burns or frostbite upon direct contact with skin due to its extremely low temperature of -78.5°C (-109.3°F).
Can third degree burns kill you?
Yes. Full thickness burns completely destroy each layer of your skin leaving your deep tissue completely exposed. This exposure allows for a great deal of heat and fluid loss to the surrounding environment as well as leaves no external physical barrier for pathogens. Given large enough burns the risk of a lethal infection is extremely high. In fact, a burn on a typical adult the size of a piece of the patient's palm which is of "3rd degree" is classified as a critical burn.
When methanol burns and leaves a residue is it a chemical change?
Combustion is a chemical change. You would expect methanol to be fully oxidised to CO2 and water. Any residue could may be due to impurities or more likely to incomplete combustion which produced sooty carbon residues.
What happens when cardboard burns?
When cardboard burns, it releases carbon dioxide and water vapor into the air, along with other chemicals present in the cardboard. The flames will consume the cardboard material until it is completely burned, leaving behind ashes. It is important to note that burning cardboard releases pollutants into the air and can contribute to air pollution.
Can you name a fuel which burns without giving water vapour?
coal is a fossil fuel that burns without giving water vapour.
What is the black material on a candle wick?
The black material on a candle wick is typically carbon residue. This residue forms as the wick burns and is a byproduct of the combustion process. It is normal for candles to produce some amount of soot as they burn.
