Deep blue colour is imparted to glass by the presence of
A). Cupric oxide
B). Nickel oxide
C). Cobalt oxide
D). Iron oxide
1. The chemical name of Common salt is
3. High milk yielding varieties of cows are obtained by
4. 'No two electrons in an atom can have the same set of four quantum numbers' is
6. Long loops of Henle correlate with
7. In which of the following cases kinetic energy is being used in performing work ?
8. The mass number of a nucleus is.
9. The most abundant inert gas in the atmosphere is
10. According to the theory of relativity which of the following alt ways remains constant ?