| What gas is used to ripen fruits such as avocados, kiwifruit? (8) |
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| Cars confiscated from cleaners after they contaminated gas (8) |
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| Hydrocarbon that is the simplest alkene |
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| ... and then lye - volatile gas (8) |
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| Colourless, flammable gas (8) |
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| Flammable gaseous alkene occurring in natural gas and petroleum, used especially in the manufacture of polythene (8) |
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| Colourless flammable gas of the alkane series obtained from petroleum and natural gas and given off by ripening fruit (8) |
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| Oil-forming gas (8) |
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| Alkene obtained from petroleum and used in the manufacture of polythene (8) |
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| Gas is initially escaping your tip within hearing |
The Times Cryptic |
13 Dec 2021 |
| Yet Helen synthesised gas |
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| Gas initially envelops your old tip, according to reports |
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| Flammable gas |
The Times Concise |
07 Apr 2020 |
| Flammable hydrocarbon gas of the alkene series |
The Telegraph General Knowledge |
23 Apr 2017 |
| PVC component your old boy put in within limits of estimate |
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| C2H4 |
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| Colorless, flammable gas |
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| Anesthetic gas |
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| Anesthetic gas |
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| Anesthetic gas |
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| Anesthetic |
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| Gas is initially escaping your tip within hearing |
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| Citrus colorant |
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| ____ glycol (antifreeze) |
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