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 → $A_{2}B$
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 classified as compounds.

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

Answer 1

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

The correct answer is option (a).