make your own mixture and use flotation and picking technique to separated the components. do the activity given below with the help or guidance for your parent/guidance.
patulong nman.
patulong nman.
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U need vinigar, baking soda, cup, noodles(cut into long and small piece) first fill a cup with vinigar secon mix baking soda if it shows an effect of bubbles plase the noodles and the noodles is going up and down