Answer: The substances that are acids are Acetic acid (CH 3 COOH): vinegar, acetate
Acetylsalicylic acid (HOOCC 6 H 4 OOCCH 3 ): aspirin
Ascorbic acid (H 2 C 6 H 6 O 6 ): vitamin C
Carbonic acid (H 2 CO 3 ): soft drinks, seltzer water
Citric acid (C 6 H 8 O 7 ): citrus fruits, artificial flavorings
Hydrochloric acid (HCl): stomach acid
Nitric acid (HNO 3 ): fertilizer, explosives
Explanation: acids are substances that can be transfer a proton to another substance.