Question

A substance made up of two or more elements combined in a definite proportion by weight, is called???​

Answer 1

Answer:

Therefore, a compound is a pure substance made up of two or more elements combined chemically in a definite proportion by mass. That is, option (B)- definite, mass. Note: The compound can be broken down into its constituent elements by chemical means into atoms or molecules.

Answer 2

Answer:

Compound is a pure substance made up of two or more substances combined chemical in a definite (or constant) proportion by mass (or weight). When two or more elements combine together chemically to form a new substance called compound.

Explanation:

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