Impurities alter the melting point and the boiling point of substances. Sodium chloride is added to a sample of pure water. What effect does adding sodium chloride have on the water’s melting point and boiling point?
- AMelting point increases; boiling point increases.
- BMelting point increases; boiling point decreases.
- CMelting point decreases; boiling point increases.
- DMelting point decreases; boiling point decreases.