Biology, 24.10.2019 18:43 luckyalita

Which substance is a compound?
salt
phosphorus
sulfur
oxygen

Answers

The correct answer is salt.

A compound is a chemical substance which is formed by the combination of two or more elements, joined together in a fixed proportion.

Salt is a chemical compound which is formed by the reaction of an acid with a base. For example- NaCl ( sodium chloride) is a common salt. It is formed by the combination of two elements. Therefore, salt is a compound.

On the contrary, Phosphorous (P), sulfur (S) and Oxygen (O₂) are composed of a single element. Therefore, they are not compounds.

Thus, the correct answer for the compound is Salt .

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Which substance is a compound?
salt
phosphorus
sulfur
oxygen...