CaCO3 can be used
In production of chalks, face powder
In paints and distempers
In making marble
All of these
is used in
Precipitated chalk in tooth-pastes, Facepowders, adhesives and cosmetics
In paints and distempers
Marble in buildings and production in laboratories
Thus, all of the given option is the uses of CaCO3
Therefore, option (4) is correct.