Rutube, Chemistry
17-September-2024 Tuesday
How to properly light and extinguish a spirit lamp
12-September-2024 Thursday
"Transformations of substances"
11-September-2024 Wednesday
"Chemistry Subject. Substances" Educational video for 8th grade
09-September-2024 Monday
Calcium and its oxide
05-September-2024 Thursday
Three ways to pour a substance into a test tube
22-July-2024 Monday
Chemists, what do you think?
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