What do you understand by the dual character of matter?

What do you understand by gene ?

Answer in brief: What do you understand by the term migration ?

What do you understand by the rate law and rate constant of a reaction ? Identify the order of a reaction if the units of its rate constant are : (i) L^(-1) mol s^(-1) (ii) L mol^(-1) s^(-1)

What do you understand by algal bloom ?

What do you understand by pitch of sound ?

What do you understand by the term that K_(f) for water is 1.86 K kg mol^(-1) ?

What do you understand by photoelectric effect?

What do you understand by fertilisation ?

Why is the distance between stars expressed in light years ? What do you understand by the statement that a star is eight light years away from the Earth ?

What do you mean by e - waste ?