Under what conditions does aluminium reacts with water?

Fluorine reacts with water to give

Under what condition does Rault's law hold good?

Under what condition does an electron moving through a magnetic field experience maximum force?

What happens when metals reacts with water?

(Attempt any ten of the following questions) Under what conditions Doppler effect is called (i) red shift and (ii) blue shift?

a_1x+b_1y+c_1=0, a_2x+b_2y+c_2=0 Under what condition the above equations represent a unique solution.

Under what condition binomial distribution will be symmetrical?