2. What is formed when elements of matter are chemically combined?
O mixtures
O compounds
atoms
Oions

Option B. compounds

Explanation:

Compound is a type pure substance which is formed when two or more than two elements combine together chemically in a fixed ratio. It is represented by a chemical formula. Chemically combine means the elements present in the compound make bonds in order to hold each other. So they are not separated by physical methods. It is separated from one another by chemical methods.

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