Mathematics, 12.05.2021 16:20 Ciarrathereal

1= Chang- hyung has collected a spoonful of rust from their window panes and added some water with it. He then checked the suspension with red and blue litmus papers separately. a) What did he observe!
b) What did he conclude about the nature of the suspension.

I can't understand its from my science book Pls help
with explanations

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1= Chang- hyung has collected a spoonful of rust from their window panes and added some water with i...

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