When bleach reacts with fabric dye, there is a chemical change. what kind of change happens to the fabric? how could you use the physical properties of melting point and boiling point to identify a substance?

A. Bleach

The bleach reacts with the coloured substances in the fabric and converts them into colourless substances. This is a chemical change.

B. Identification of a substance

Find your compound in a list that gives the melting and boiling points of various compounds.

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

i believe the answer is a.