In a NaCl molecule there is an attractive force between `Na^+ ion and `Cl^-` ion br Which law help us to find this attractive force? State the law.

In a NaCl molecule there is an attractive force between Na^+ ion and Cl^- ion br Why NaCl molecule is easily soluble in water?

Which law help you to find magnetic field due to solenoid? State the law.

Which law helps to detect the direction of induced current? State the law.

Which law helps to find total flux passing through a closed surface? State the law

Which attractive force between the molecules is responsible for the surface tension?

Parallelogram law help to find the magnitude and direction of the resultant of two forces. State the law.

The type of attractive forces that operate between gaseous HCI molecules is

To which electrodes are the negative ions attracted?

What changes happen to the ions which are attracted to cathode?

NaCl when placed in a uniform electric field 20Vm^-1 , both Na^+ and Cl^- ions experience a force (average distance between Na^+ and Cl^- is 1.3A). Br Calculate the maximum torque experience by the NaCl molecule in the electric field.