A piece of sea shell, when dropped into a dilute solution...
A piece of sea shell, when dropped into a dilute solution of hydrochloric acid, produces a colourless, odourless gas which turns clear limewater milky. The sea shell contains
sodium chloride
ammonium nitrate
calcium carbonate
calcium chloride
magnesium chloride
Correct answer is C
No explanation has been provided for this answer.
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