The burning of coal is not a physical change. When coal is burnt, the carbon is changed to Carbon dioxide(formation of the new products). This process is ...

Burning coal is a chemical change called combustion. A combustion is the chemical reaction (redox reaction) of coal with oxygen O2. It is exothermic, which ...

Burning of coal is a chemical change as there are new substances that are formed as a result of this change. . The burning of coal takes up O2 and produces CO2.

Assertion: Burning of coal is a physical change. Reason: When coal is burnt, the chief component, carbon is changed to carbon dioxide.

The burning of coal is a non-reversible chemical change. Coal is burnt mainly from carbon. This burns to produce carbon dioxide. Hence, option B is correct.

7 авг. 2024 г. · Since burning coal results in a change in both state and composition and is irreversible, it is classified as a chemical change.

7 мая 2016 г. · It is a chemical reaction. The burning of coal takes up O2 and produces CO2. Since a new substance is created, it is a chemical reaction.

7 авг. 2024 г. · Burning coal results in the formation of new products (carbon dioxide and heat), and involves a chemical reaction that is irreversible, it is classified as a ...

The burning of coal is an example of a chemical change.