Question

You might have seen your teacher writing with a piece of chalk on the board and slowly the chalk disappear can you tell where does the chalk goes and what type of change is it

Answer 1

Answer:

The chalk gets powdered and it sticks on the board.

When chalk is powdered to form chalk powder, it changes in appearance. Moreover, we can obtain chalk from chalk powder by adding a little water and giving it a desirable shape. So it can be described as a physical change

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