https://chemistryhall.com/chemistry-experiments-for-kids/ From Research Highlights to Education Sat, 30 Sep 2023 16:58:39 +0000 hourly 1 https://chemistryhall.com/chemistry-experiments-for-kids/#comment-11684 Sat, 30 Sep 2023 16:58:39 +0000 https://chemistryhall.com/?p=38879#comment-11684 Is the copper/vinegar/salt solution toxic? I wonder because I would like to use it – the solution – to shift the color in natural dyeing – but – am concerned about potential toxicity – vapours, contact with skin, or copper remaining in the cloth. Appreciate any insights.

]]>