Atomic number of an atom gives the number of which of the following ?
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Which one of the following films was not directed by Satyajit Ray?
Equus burchellii is the scientific name of _______.
The most abundant metal in the Earth's crust is
Why metals conduct electricity?
Snakes, turtle, lizards and crocodiles falls under which category of animals?
If sec -7π/4 = x, then the value of x is
The elements known as primary nutrients for plants