NEET
- Exam
- NEET
- Subject
- Chemistry
- Chapter
- Hydrogen
NEET · Chemistry · Hydrogen
What happens to the calcium and magnesium ions in hard water when...
What happens to the calcium and magnesium ions in hard water when they react with washing soda?
Options
- AThey become more soluble.
- BThey remain unchanged.
- CThey form a complex with washing soda.
- DThey form insoluble carbonates.
Correct answer
D. They form insoluble carbonates.
Step-by-step solution
When calcium and magnesium ions in hard water react with washing soda, they form insoluble carbonates, which can be precipitated and removed.