Final answer:
There are three types of surveys in regards to a chemical attack: combination, decomposition, and replacement reactions.
Step-by-step explanation:
The total number of types of surveys in regards to a chemical attack is 3. The surveys can be classified into three general types: combination, decomposition, and replacement reactions. Combination reactions involve the combination of two or more substances to form a new compound. Decomposition reactions involve the breakdown of a single compound into two or more simpler substances. Replacement reactions involve the exchange of elements or groups between substances.