What are these 20 things?

Hi. I work in a prop hire shop and we have all of these chemicalish stuff in glass. Can you help me to identify them? Thanks!

Since my posts were apparently not considered as interesting and were deleted, I have to do this new bundle, sorry if it's less convenient.

1 : plenty of tubes inside. One broken tube on the upper right. 2 : broken as it can be seen 3 : unbroken 4 : unbroken 5 : unbroken 6 : broken tube under the smallest sphere 7 : unbroken 8 : unbroken. I'm holding it by an evacuation tube. 9 : missing number 10 : unbroken. The lower part is opened. 11 : unbroken 12 : little tube seems to be broken 13 : unbroken 14 : unbroken 15 : yellowish tube broken 16 : left tube is broken 17 : unbroken 18 : unbroken 19 : unbroken 20 : unbroken