Chemical used in anaesthesia, it appears I’m a surrealist! (4,4)
I believe the answer is:
soda lime
'chemical' is the definition.
The definition and answer can be both substances as well as being singular nouns.
Maybe you can see a link between them that I can't see?
I can't explain the remainder of the clue.
Can you help me to learn more?
(Another definition for soda lime that I've seen is " mix of chemicals".)
I've seen this clue in The Guardian.
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