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Reactivity
Burning of methane is an oxidation reaction.
Ductility http://en.wikipedia.org/wiki/Ductility
Because cotton catches fire easily..
it is a property of substances. it is the temperature and pressure at which all three states of a substance coexist it is easily identified from a phasediagram (apex answer)
Reactivity
A chemical property describing something that burns or catches on fire easily is flammable.
Temperatue
It is an indication of how easily it will catch fire.
Physical properties of a substance are all the properties that can be easily identiefied by five senses.
Burning of methane is an oxidation reaction.
That is a chemical property. A physical property could be its mass, volume, density, physical state, or that it can tear easily. A physical property is one that does not change the chemical composition of the substance.
it catches fire easily.
Ductility http://en.wikipedia.org/wiki/Ductility
Ductility http://en.wikipedia.org/wiki/Ductility
The flammability of a substance is a chemical property. Flammability means how easily a substance will burn in oxygen.
Because cotton catches fire easily..