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A substance is the essence of any object, so all wood or anything made from it is a 'substance'.
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∙ 9y ago
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What substance burns in oxygen to give us energy?
Many. for example coal, wood, natural gas, gasoline, ...
Is wood considered a pure substance?
No. Wood is a mixture.
Is wood a homogeneous or a homogeneous?
wood is a heterogeneous substance..
Is wood a heterogenous or homogenous?
wood is a heterogeneous substance..
Properties seen when one substance changes to another are known as?
there are two types of change. the first one is the physical change. the form or appearance of the substance is change but the chemical properties of the substance is not changed. example, water evaporates into the air, that is a physical change because from liquid, water changes into gas but it then comes back to water as rain. the other one is chemical change wherein the chemical properties of the substance is changed. example is burning of wood. wood is burned and turned into charcoal. the chemical properties of wood is different from the chemical properties of charcoal and charcoal is another substance.
What are wood made of?
err, wood?
What are the signs of physical change and chemical change?
Physical Change: A change in which the atoms or molecules in a substance stay the same. Example: Ripping a piece of paper in half Chemical Change: A change that affects the type of molecules or atoms in a substance. Example: Burning wood The primary difference is that in a physical change, the composition of the substance remains the same, but in a chemical change, the composition of the substance changes.
What is the substance that makes wood hard?
Cellulose.
What is the definition for reaction?
Process in which one substance, such as wood, is transformed into another substance, such as ash.
Is evaparation a physical or chemical change?
Physical. If water evaporates, it is still water. It does not change into a different substance. A Chemical change is when something changes into a different substance. For example, when wood is burned, it changes into a different substance(ash).
Is the boiling point of a substance an example of a chemical property?
The boiling point of a substance is an example of a physical property of that substance.
What is name is given to a substance that does not let heat pass through it?
It i scalled insulator. The substance do not allow heat to pass through it It Is also heat resistant (dont let heat through it). An example of a heat resistant material is wood.
