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Q: Why do you think the paper must be heated to start burning?
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Is Burning wood is an example of physical change.?

I think you mean "Is burning a paper a physical change?" Burning a paper is not a physical change. It is a chemical change. Because you can't turn the ashes of the paper into a normal paper again. Examples of physical change: Cutting a paper, sharpening a pencil, writing on a paper... Examples of chemical change: Rotten egg, Rusted steel, molded bread...


At what temperature does paper burn?

Although there are many different paper types, normal cellulose paper will burn at 451°F.


Is the land heated by convection?

I think the land is heated by radiation


Is a piece of paper flammability?

i think so because you use newpaper to start a fire and that is made up of paper right? So if that is flamible so is regular paper.


Does target have eclipse paperback?

No none of the targets have paper back Eclipse and i think that they will when they start to make the movie


How do you think schools were heated in Victorian times?

Schools that could afford fuel - e.g. coal or firewood, would have had fires burning in the fireplace. In schools that were poor, they just got cold or wore lots of clothes!


Where does energy come from when paper burns?

Well think, if you burn a piece of paper, then energy is involved. Chemical energy is taking place when you burn a piece of paper. However, two more types of energy are also taking place. Thermal and radiant energy are also taking place because the fire burning the paper creates light (radiant energy) and it also gives off heat (thermal energy).


What do you think happens to the air above the land when it is heated?

when land is heated, the air above it also gets heated, which makes it to start rising. This is due to the fact dat hot air is lighter dan cold one. this gives rise to a phenomenon nwn as convection current. this is the reason of presence of moderate climate in coastal areas.


Which powder melts when heated?

Powder Coating I think


What happens when ZnCO3 is heated in the absence of air?

ZnCO3, when heated in the absence of air, decomposes to give ZnO and CO2. I think this is the answer.


What happens to a cell phone battery if it is heated?

I think it crashes.


What is lithiums burning point?

If you think to the boiling point (not burning point) this temperature is 1342 0C.