Question

Two substances, $A$ and $B$ were made to react to form a third substance, $A_{2}B$, according to the following reaction:
$2A+B\to A_{2}B$
Which of the following statements concerning this reaction is/are correct?
i) Substance $A_{2}B$ shows the properties of substances $A$ and $B$.
ii) Formation of $A_{2}B$ is a chemical change.
iii) $A_{2}B$ will always have a fixed composition.
iv) Substances $A$ and $B$ are elements and $A_{2}B$ is a mixture.

• A. Only (iv)
• B. (ii) and (iii)
• C. (i), (ii) and (iv)

Answer 1

The correct option is B (ii) and (iii)

Option (a) is correct.