Explain the structure of graphite.

Explain the structure of root hair.

Explain the structure of a nephron with the help of a labelled diagram.

Explain the structure of methane.

Explain the structure of antibody.

(a) What is graphite? Of what substance is graphite made? (b) Describe the structure of graphite with the help of a labelled diagram. (c ) Why is graphite a good conductor of electricity but diamond is a non conductor of electricity? (d) State any two uses of graphite.

Explain the reactivity of graphite with oxygen and sodium carbonate with chemical equation .