Give reasons: Diamond is used as an abrasive

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

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.

The outer covering of which organism is used as abrasive for metal polishing ?

Which of the following is used as the abrasive // Polishing agent in fluoride toothpaste?

Give reasons: A mixture of dilute NaOH and aluminium pieces is used to open drain.