Help, Chemistry
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18-May-2024 Saturday
The question arose regarding old recipes

20-March-2024 Wednesday
Please tell me how to coat the epoxy resin

19-March-2024 Tuesday
Need help with chemistry

25-February-2024 Sunday
Formaldehyde!

27-December-2023 Wednesday
Good people, please help me in chemistry, who knows?

14-November-2023 Tuesday
I need help again! Can you help with this task? (All information about the task is in the picture below)

17-September-2023 Sunday
How to blacken galvanized steel?

17-September-2023 Sunday
Why doesn't dimexide remove superglue from the monitor?

07-July-2023 Friday
Anodizing of large planes. How?

24-April-2023 Monday
Cemetery, what chemistry to peel off the paint

10-April-2023 Monday
One equation. Help solve

23-March-2023 Thursday
CNC laser processing

15-January-2023 Sunday
Help me solve 91 please

02-November-2022 Wednesday
How to neutralize red spots of iron sulfate from paving slabs?

01-November-2022 Tuesday
Please help with a chemistry project!

24-October-2022 Monday
Electrical conductivity

17-October-2022 Monday
Help, please, with the calculation!

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