Which of the following statements about acids are TRUE?
1. An acid is used in car batteries.
2. A component of vinegar is an acid.
3. Acids are used for cleaning metals.
A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) All of 1, 2, and 3
E) Neither 1, 2, or 3
Answer: D