Science, asked by neelamyadav47098, 5 months ago

Combustion is a chemical process which produces heat and light. In the type of combustion 'A' a large amount of heat and light are produced in a short time. In 'B' type of combustion the reaction occurs own its own. 1. Identify 'A' and give one example. 2. Identify 'B' and give one example.

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Answered by purvasai05

Answer:

Burning of any substance is defined as combustion.

Combustion is defined as a chemical change in which both heat and light are produced at the same time in the presence of oxygen and the composition of substance is also changed.

Example: Burning of coal, paper, candle, etc.

In chemical change, the change that takes place cannot be reversed.

For example: Burning paper converts it into ash and ash cannot be changed back into paper. Physical change is a temporary change and can be reversed and no new substance is formed. For example: If ice melts it can be reconverted into ice without forming any new substance.

Burning of coal also gives energy in the form of light and heat. In this process, the composition of new substance gets changed.

On burning of paper, the composition of ash always gets changed. Oxygen gas is usually used as a supporter of combustion.

Charcoal burns in air to give carbon dioxide and heat.

C + O2 → CO2 + Heat

Explanation:

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Combustion is a chemical process which produces heat and light. In the type of combustion 'A' a large amount of heat and light are produced in a short time. In 'B' type of combustion the reaction occurs own its own. 1. Identify 'A' and give one example. 2. Identify 'B' and give one example.​

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Combustion is a chemical process which produces heat and light. In the type of combustion 'A' a large amount of heat and light are produced in a short time. In 'B' type of combustion the reaction occurs own its own. 1. Identify 'A' and give one example. 2. Identify 'B' and give one example.