Give reasons:
(i) Graphite is used as a lubricant.
(ii) Diamond is used as an abrasive.

Give reasons (iii) Graphite is used as a lubricant

Why graphite is used as lubricant ?

Graphite is used as lubricant due to

Give reasons : (i) Conc. HNO_(3) can be transported in aluminium container. (ii) A mixture of dilute NaOH and aluminium pieces is used to open drain. (iii) Graphite is used as lubricant. (iv) Diamond is used as an abrasive. (v) Aluminium alloys are used to make aircraft body. (vi) Aluminium utensils should not be kept in water overnight. (vii) Aluminium wire is used to make transmission cables.

Graphite is used as a lubricant. Explain.

Give reasons (iv) Diamond is used as an abrasive

Give reasons Diamond is used as an abrasive.