Action and reaction force do not balance each other. Why?

How are involuntary actions and reflex actions different from each other?

Do action and reaction act on the same body?

Explain why electric lines of force donot cross each other.

Why don't two magnetic lines of force intersect each other ?

Write the balanced chemical equation for the reaction between lead metal and copper chloride solution. What type of reaction is this?

The earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? Why?

The liquids from azeotrope cannot be seperated from each other why?

Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?