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When LPG comes out of the cylinder and burns, it undergoes combustion with oxygen in the air. This reaction releases heat energy, causing LPG molecules to break down into carbon dioxide and water vapor. The physical changes include the release of heat, light, and the formation of gases like carbon dioxide and water vapor.
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Which physical and chemical change occur when LPG comes out of the cylinder and burns?
When LPG comes out of the cylinder, it changes from a liquid to a gas which is a physical change. When it burns, it undergoes a chemical change where it reacts with oxygen to produce heat, light, carbon dioxide, and water vapor.
How does LPG gas burning on gas stove involve chemical and physical changes?
When LPG gas burns on a gas stove, it undergoes a chemical change as it reacts with oxygen to produce heat, light, carbon dioxide, and water vapor. This is a combustion reaction. The physical change involved is the change in state of the gas from a liquid to a gaseous form as it is released from the cylinder and then burns.
What is the physical and chemical change that occurs when a birthday candle is lit on a cake?
There are multiple physical changes and chemical changes that occur when a candle burns. One physical change is that the candle melts back into liquid wax. One chemical change is flame burning on the wick.
Gas weuse in the kitchen is LPG In the cylinder it exist as a liquidWhen it comes out from the cylinder it becomes agaschange-athen it burns change-bWhat type of change is change-a physical or chmical?
Change-a (LPG changing from liquid to gas) is a physical change. It does not involve any chemical reactions, as the molecules of LPG remain the same as it transitions between its liquid and gas states.
For water write a sentence about the physical changes?
water into ice water into steam both above are the physical changes physical changes means reversable change which can be brought into its original state eg:steam can be converted into water by cooling and ice into water upopn heating............ its true try it............
Which physical and chemical change occur when LPG comes out of the cylinder and burns?
When LPG comes out of the cylinder, it changes from a liquid to a gas which is a physical change. When it burns, it undergoes a chemical change where it reacts with oxygen to produce heat, light, carbon dioxide, and water vapor.
What physical and chemical changes occur when a wax candle burn?
Some wax burns, and as it does so, chemical changes occurs. Wax converts to CO2, CO, and H2O. That is an exothermic reaction The rest of the wax melts with the increased temperature. That is the physical change.
What changes are happening when a fire burns in a fireplace?
A physical and Chemical change.
How does LPG gas burning on gas stove involve chemical and physical changes?
When LPG gas burns on a gas stove, it undergoes a chemical change as it reacts with oxygen to produce heat, light, carbon dioxide, and water vapor. This is a combustion reaction. The physical change involved is the change in state of the gas from a liquid to a gaseous form as it is released from the cylinder and then burns.
What is the physical and chemical change that occurs when a birthday candle is lit on a cake?
There are multiple physical changes and chemical changes that occur when a candle burns. One physical change is that the candle melts back into liquid wax. One chemical change is flame burning on the wick.
Describe the changes that take place when a match burns Are these changes physical or chemical changes?
When a match burns, the heat causes the matchstick to undergo a chemical reaction with oxygen in the air, releasing energy in the form of heat and light. This is a chemical change because the composition of the matchstick changes as it reacts with oxygen to produce new substances like carbon dioxide, water vapor, and ash.
Is the candle burning a chemical or physical change?
The physical changes in the candle is that the wax melts, then freezes back into solid state again, and the chemical changes are that the wick burns, soot, and smoke. water vapor and carbon dioxide are formed. and When the wax burns, and the wax combines with the oxygen to form CO2, carbon monoxide, carbon particles (incomplete burning/oxidation) and water. After it burns, you can't get the wax back.
When a candle burns in air which change occurs first-physical or chemical?
chemical change occurs first. because first oxygen help in burning and form carbon-di-oxide which is a chemical change
Gas weuse in the kitchen is LPG In the cylinder it exist as a liquidWhen it comes out from the cylinder it becomes agaschange-athen it burns change-bWhat type of change is change-a physical or chmical?
Change-a (LPG changing from liquid to gas) is a physical change. It does not involve any chemical reactions, as the molecules of LPG remain the same as it transitions between its liquid and gas states.
List the physical and chemical changes that occur when gasoline enters an automobile engine and burns?
it is a chemical change because it causing the fuel to burn
What is the physical change in candle burns?
Melting is the physical change.
Is a flammability(burns) a physical or chemical?
Something that burns or is flammable would be a chemical change.
