Question

With reference to a chemical equation state which of the statements 1 to 5 pertain to A or B.
A: Information provided by a chemical equation. 
B: Limitations of a chemical equation.

1. The nature of the individual elements.
2. The speed of the reaction.
3. The state of matter in which the substance is present.
4. The completion of the reaction.
5. The direction of the reaction.

Answer 1

A: Information provided by a chemical equation.

1. The nature of the individual elements.
3. The state of matter in which the substance is present.
5. The direction of the reaction.

B: Limitations of a chemical equation

2. The speed of the reaction.
4. The completion of the reaction.