Questions and answers by

Ksenija

Questions (2)

Hi.Can anybody help me with crystals? I have a gas that makes blue crystals when it's been hold in low temperature and high
1. 1 answer
2. 461 views
Hi. I have a little problem with my chemistry task. I have 4 unknown solutions: 1 light blue (A),1 green (B), 2 without colour
1. 2 answers
2. 707 views