Chemical property, it cannot be decomposed by ordinary chemical change.
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Carbon that cannot be decomposed is a chemical property. It is related to the chemical bonds and composition of the substance, indicating that the carbon atoms are tightly held together in a way that resists decomposition through physical means.
The sublimation of carbon dioxide is a physical change, not a chemical property or change. Sublimation is the process in which a substance transitions directly from a solid to a gas without going through the liquid phase, and it does not involve any change in the chemical composition of the substance.
Combustion is a chemical property, as it involves a chemical reaction between a fuel and oxygen to produce heat, light, and new substances like carbon dioxide and water vapor.
Sugar is a chemical compound. It is a carbohydrate that consists of carbon, hydrogen, and oxygen atoms. Its structure and composition give it certain physical properties, such as being sweet and soluble in water, but overall it is considered a chemical substance.
Burning wood is a chemical process because it involves a chemical reaction between the wood and oxygen in the air to produce heat, light, and new chemical compounds such as carbon dioxide and water vapor.
Baking soda (sodium bicarbonate) is a compound with chemical properties. It reacts with acids to release carbon dioxide gas, which causes baked goods to rise. This reaction is a chemical property of baking soda.