why Burning is a chemical change.
Answers
Explanation:
because burning is a irreversible process...
Answer:
A chemical change occurs whenever matter changes into an entirely different substance with different chemical properties. Burning is an example of a chemical change. ... Because chemical changes result in different substances, they often cannot be undone.
Explanation:
Breaking a match in two pieces is an example of a physical change. Lighting a match and letting is burn is an example of a chemical change. Chemical reactions cause chemical changes. In a chemical reaction two or more substances, called the reactants, form different substances called products.
When we light the candle wax acts as fuel which is a chemical substance called carbon. Here, x=n,y=2n+2. From the above explanation we can say that formation of new products (carbon dioxide and water) takes place, by the addition of oxygen mass of product will increase and original properties of wax will change .
Burning a sugar cube is a chemical change. Fire activates a chemical reaction between sugar and oxygen. The oxygen in the air reacts with the sugar and the chemical bonds are broken.
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