Latest NDA Aptitude Question SOLUTION: The bond which is present between water molecules is -
(a) electrovalent bond
(b) covalent bond
(c) hydrogen bond
(d) van der waals bond
The essence of mathematics resides in its freedom.
Georg Cantor
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.