Question

on what basis in the various objects grouped

Answer 1

Answer:

Objects are grouped on the basis of their shapes, the materials they are made up of, and the properties like lustre, hard/softness, transparency, solubility, floatation, attraction towards the magnet, conduction of heat and conduction of electricity.

Answer 2

Explanation:

Objects are grouped on the basis of their shapes, the materials they are made up of, and the properties like lustre, hard/softness, transparency, solubility, floatation, attraction towards the magnet, conduction of heat and conduction of electricity.