Such are the compounds SbNa 3, BiNa 3, PbNa2, SnNa 4.
Treated with sodammonium it yields a bluish-black mass, BiNa 3, which takes fire in the air and decomposes water.
The railways, undertaken by the state, are: (I) from Bina on the Indian Midland to Goona; (2) an extension of this line to Baran, opened in 1899; (3) from Bhopal to Ujjain; (4) two light railways, from Gwalior to Sipri and Gwalior to Bhind, which were opened by the viceroy in November 1899.
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