The substance commonly used for softening permanent hard water is:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option D
Explanation:
Sodium carbonate removes calcium and magnesium ions from hard water by forming insoluble carbonates that can be separated.
Sodium carbonate removes calcium and magnesium ions from hard water by forming insoluble carbonates that can be separated.