which substances can be decomposed chemically

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Elements are chemically the simplest substances and hence, cannot be broken down using chemical methods. ButAmmonia, methane and waterare compounds that can be decomposed further into their elements. Lunch is mixture of compounds that can also be decomposed chemically.

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Calcium (Ca), Copper (Cu), Cerum (Ce) are elements while carbon monoxide (CO) are compounds that can be broken down. Therefore, CO ( carbon monoxide) is the substance that can be broken down by chemical means.

Compounds cannot be broken down into simpler substances by physical means but only using chemical means. Compounds have constant composition and therefore they have a constant ratio of elements. For example the ratio of elements making up carbon dioxide is always 27% Carbon and 73% Oxygen.

Because atoms cannot be created or destroyed in a chemical reaction, elements such as phosphorus (P4) or sulfur (S8) cannot be broken down into simpler substances by these reactions. Can sugar be broken down by chemical means? Can the substances that are produced when sugar is broken down when heated also be broken down?

A substance made up of 2 or more elements combines is a fixed ratio Which substance can be decomposed by a chemical change? Which substance can be decomposed chemically ? Which substance can be decomposed by chemical means?