10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Chemistry Chapter No 2

Question:
When carbon dioxide is passed through lime water it turns milky. The milkiness is due to insoluble.

Option A):
Calcium oxide
Option B):
Calcium nitrate
Option C):
Calcium carbonate
Option D):
Calcium phosphate

Correct Answer is Option C):
Calcium carbonate