The first statement is true. The second statement is false. The imperfect tense is setting up for something to happen. The last statement is false. The preterit tense is used to describe something that happened in the past.
Answer:
The most common types of chemical reactions are synthesis, decomposition, single displacement, double displacement, combustion and acid-base. However, such categorization is not exclusive. For example, an acid-base reaction can also be classified as a double displacement reaction.
Explanation:
