Give the names and formula of the compounds indicated in the following statements.
(a). A compounds of `Ca` used in setting fractured bones.
(b). A compounds of calcium and hydrogen which is used as a portable source of hydrogen for filling balloons.
(c ). A compounds of `Ca,O,Cl` and `H` used as germicide.
(d). A compound of `Mg,O,Cl` and `H` used as a cement for joining cracked teeth.
(e). A compound of `Mg, Cl` and `O` used as a drying agent. ltbRgt (f). A compound of `Ca` and `O` which when heated in oxycoal gas flame gives limelight.
(g). A compound of `Ca, C` and `N` used as a fertiliser.
(h). A triatomic compound of `Ca` which gives `H_(2)` on treatments with water.

Options

A. Calcium cyanide,`Ca(CN)_(2)`
B. Calcium carbonate,`CaCO_(3)`
C. Calcium cyanide having carbon particles,
`(Ca(CN)_(2)+C)`
D. Calcium cyanamide and carbon (nitrolim),`(CaCN_(2)+C)`

Answer

4