Hi, I'm having trouble with the following clues. Any help would be greatly received.
11a. Reactionary instrument did work internally (7)
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18a Work out too much abut manouvre (4,8)
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23a Deal with prevention of moustache (9)
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25a Decorative art in a bake-off (7)
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8d Spanish woman sees dune contaminated with sodium (6)
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20d Persian king to kiss queen, getting cross at directions (6)
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22d Ailing organisation reaches spring (6)
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