If the half-life of an isotope X is 10 yr, its decay constant is
1)
The correct sequence of decreasing order of reactivity of hydrolysis of acid chlorides is :
If θ is the angle between the tangents from (-1, 0) to the circle x2
A bag contains 4 white and 2 black balls and another bag contains 3 white and 5 black balls. If o
