When a mineral was heated in a Bunsen flame to constant mass, a colourless gas that turned lime water milky was evolved. The remaining solid was cooled and then added to aqueous hydrochloric acid. Vigorous effervescence was seen.
What was the mineral?
A aragonite, CaCO3
B artinite, MgCO3.Mg(OH)2.3H2O
C barytocalcite, BaCO3.CaCO3
D dolomite, CaCO3.MgCO3
Please Explain.
