Question
#4 Why is the Mystery Writing solution of baking soda and water NOT considered a Pure Substance?

Answer
We made a homogeneous mixture (a solution) of water and baking soda during the mystery writing experiment. Use references and this image to help answer this question. Diagram of Matter

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スーパーコピーN級品,必ず届くスーパーコピー,ブランドコピー後払い,ブランドコピー代引き