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#1 2017-10-17 09:31:17

shakeel123
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Pemanent hard water contains compounds?

10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Chemistry Chapter No 1

Question:
Pemanent hard water contains compounds

Option A):
Carbonates of calcium and magnesium
Option B):
Sulphates and chlorides of calcium and magnesium
Option C):
Calcium carbonate and magnesium sulphate
Option D):
Bicarbonates of calcium and magnesium

Correct Answer is Option B):
Sulphates and chlorides of calcium and magnesium


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2017-10-17 09:31:17

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