Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
When carbon dioxide is passed through clear lime water solution, it turns milky, The milky appearance of lime water is due to
1
presence of impurities in lime water
2
presence of insoluble calcium carbonate
3
presence of soluble calcium carbonate
4
More than one of the above
5
None of the above