Special "ink"?

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With what kind of substance can I write on a piece of paper in order to make the words disappear at heat?

2007-07-31 21:50:52 · 2 answers · asked by Gabriela P 1 in Science & Mathematics ➔ Chemistry

I need a special ink that disappears when I heat the paper. If I use the lemon juice method, the words appear at temperature...

2007-08-01 01:06:36 · update #1

2 answers

Lemon Juice can be used to write on paper. The words disappear when the juice dries. To make them reappear you carefully heat the paper over a candle. The heat scorches the juice and the words will show up.

2007-08-01 00:36:19 · answer #1 · answered by physandchemteach 7 · 0⤊ 0⤋

Try Acetone.

2007-07-31 22:08:18 · answer #2 · answered by ag_iitkgp 7 · 0⤊ 0⤋