In general chemistry terms, is a typical oven cleaner best classified as an acid or a base?

• A. Acid (it commonly contains hydrochloric acid, $HCl$)
• B. Base (it commonly contains sodium hydroxide, $NaOH$)
• C. Neutral (it is typically just water, $H_{2}O$)
• D. Neither acid nor base (it contains no ions in solution)

Answer: (B)