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Carbohydrate
Hydrocarbons are the organic compounds containing molecules with carbon and hydrogen.
Crude oil compounds: Carbon, hydrogen, sulfur nitrogen, oxygen, metals, salts.
Organic compounds are compounds containing carbon and hydrogen covalently bonded with one another.
Hydrogen and oxygen are elements.
carbohydrates
Sugar is a chemical compound or rather a group of compounds containing carbon oxygen and hydrogen, not a chemical change.
Since oxygen is an element, it can not be made from chemicals. Instead, it can be separated from compounds. For example, water is made from molecules containing hydrogen and oxygen. When the bond between these two elements is broken by electrolysis, both the oxygen and the hydrogen can be collected.
soda can refer to any of several different compounds containing the element sodium (e.g. washing soda [sodium, carbon, and oxygen], baking soda [sodium, carbon, hydrogen, and oxygen], caustic soda [sodium, hydrogen, and oxygen], sodium oxide [sodium and oxygen])lime can refer to any of several different compounds containing the element calcium (e.g. limestone [calcium, carbon, and oxygen], slaked lime [calcium, hydrogen, and oxygen], quicklime [calcium and oxygen])starch is a carbohydrate and is composed of the elements carbon, hydrogen, and oxygen
yes
yes
hydrogen and oxygen