GASOLINE
Gasoline, which is
used as fuel in care, is a
highly combustible and
flammable material
Wood is a combustible
material. Burning it
can be harmful to the
environment.
Chemical Propertie
Not all properties of matter can be obser
times, the composition of a material has to change first before a certain
property can
be observed. This property is known as a chemical property
A
chemical property is most evident
when a certain material
chemically reacts
with another material.
Below are some
chemical
properties of materials
Combustibility and Flammability
Combustibility is the ability of a material to burn, while flammability
is the ability
of a material to ignite or catch fire easily.
Alcohol is an example of a combustible material. It burns when it
reacts with a lighted
matchstick. Other examples of combustible materials
are wood, sawdust, dried
leaves, paper, wax, gasoline,
kerosene, oil,
thinner, and varnish.
Alcohol and gasoline are both combustible and flammable. They can
burn fast. However, not all
combustible materials are flammable. For
example, a big chunk of
wood can burn when subjected to high amount
of heat, but it will not catch
fire easily unless you expose it longer so
that it will start burning.
Combustible and flammable materials need to be disposed of properly
because they react readily and easily when
exposed to extreme heat.
These materials are useful in
some ways but proper handling must be
done when using them.
Biodegradability
Some materials can decompose or decay through the actions of
bacteria and other organisms. When these materials decompose, their
particles return to the soil. The ability of a material to decompose is
also known as biodegradability.
Examples of biodegradable materials are fruit and vegetable peelings,
plant clippings, and dead plants and animals. They can be buried in a
compost pit, which is a shallow hole dug in the ground, then covered
with topsoil. Over time, earthworms and microorganisms act on the
buried
materials in the pit and
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