Respondido

Talking to your classmates and with the help of your Chemistry teacher, discuss and write: a) What change(s) did the fabric go through as a result of being soaked in a solution with white vi- negar? Would the result be the same if white vinegar were not used? b) What other possibilities of natural dye could you use to tie-dye cotton fabric? c) What is the role of heat in the process of dyeing? d) What is the environmental advantage of using natural dyes?.

Resposta :

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4- a) The white vinegar made the natural dye set in the fabric. No.

   b) Flowers or fruits.

   c) Cook the beets to form the color of the paint.

   d) Natural paints uses products that don't contain petroleum-derived pollutants that harm the atmosphere and the ozone layer. In addition, natural paints can be disposed of with organic waste, being easily degraded in nature.

espero ter ajudado :)

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