Question

writing with pencil and erasing with rubber(physical, chemical, reversible, irreversible) identify the following changes as

Answer 1

●Writing with pencil and erasing it with an eraser is a physical and reversible change.

Answer 2

It is a physical and reversible change since the writing by a pencil on a paper does not produce a chemical change as it can be rubbed / erased easily by a eraser and as it is not chemical change so it is also not irreversible change ( the writing can be rubbed and the paper can be brought into its own state)