Physics and Chemistry Quiz

Kirchhoff s first law, i.e., i=o at a junction, deals with the conservation of

Figures below show regular hexagons, with charges at the vertices. In which of the following cases the electric field at the centre is not zero

Match Column I with Column II with appropriate matching

The variation of equivalent conductance of strong electrolyte with concentration is correctly shown in which figure?

The reaction of aqueous KMnO4 with H2O2 in acidic conditions gives:

Complete the given reaction of in acidic medium: X, Y and Z are respectively

Manganese exhibit its highest oxidation state in its oxide not in its fluoride, why

Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al2(SO4)3. Given that Al3+o and SO42-o are the equivalent conductances at infinite dilution of the respective ions?

Brass is an alloy of

• Zn and Sn

• Zn and Cu

• Cu, Zn and Sn

• Cu and Sn

An electric dipole is kept in a uniform electric field. It experiences

• A force and a torque

• A force, but no torque

• A torque but no force

• Neither a force nor a torque