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Hardness in water can be removed by adding
Classroom
Chemistry Classroom
Waec
Waec 2005
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Hardness in water can be removed by adding
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Copper (ll) tetraoxosulphate (IV)
B
Sodium trioxocarbonate (IV)
C
Sodium chloride
D
Alum
Show Answer
Show Explanation
Correct Answer:
Option B
Explanation:
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