(1) Heavy water is harmful for the growth of animals
(2) Heavy water reacts with $Al_4C_3$ an dforms deuterated acetylene
(3) $BaCl_2.2D_2O$ is an example of interstitial deuterate
The correct statements are :
(a) 1 & 3
(b) 1 & 2
(c) 1,2 & 3
(d) 2 & 3
