Question

We see a number of changes taking place around us on everyday basis. They can be classified as physical or chemical
changes. Now consider the following changes: (i) Sharpening of pencils, (ii) Crystallisation of sugar, (iii) Making a banana
smoothie. Under which category do these changes fall. Please justify your answers.

Answer 1

Answer:

i) physical (irreversible )

ii) chemical (form new subtance)

iii_physical(irreversible )

mark me as brainleist.