A body of mass 2 kg is hung on a spring balance mounted vertically in a lift. If the lift descend
Which of the following nucleophiles is going to promote an SN2? reaction?
A pan filled with hot food cools from $$94 ^{\circ}C$$ to $$86^{\circ}C$$ in 2 minutes. When the
A certain sound has an intensity 1,000,000 times greater than