In a nutshell it must be the acid test (6) |
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Soluble powder obtained from certain lichens used as an indicator (6) |
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Test paper with its own solution (6) |
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Acidity indicator (6) |
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Acidity paper |
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Important books by Greek characters in test paper |
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Acid or base indicator |
LA Times Daily |
09 Jan 2024 |
Colouring matter which is turned red by acid and blue by alkali (6) |
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Dye material from lichens, used in acidity tests |
The Guardian Quick |
09 Aug 2023 |
Lab dye; slum it (anag.) |
The Telegraph Quick |
28 May 2023 |
Chemistry paper? |
LA Times Daily |
10 May 2023 |
Type of test |
Eugene Sheffer |
23 Dec 2022 |
Acid test material |
Premier Sunday |
06 Nov 2022 |
Colouring material used in acidic/base testing |
The Guardian Quick |
09 Jul 2022 |
Books and letters providing material for test |
The Times Cryptic |
31 Mar 2022 |
Kind of test |
New York Times |
20 Jan 2022 |
___ test (acid-base indicator) |
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Acid test stuff |
The Washington Post Sunday |
18 Jul 2021 |
Chemical indicator |
The Times Concise |
15 Jul 2021 |
Word before 'test' or 'paper' in chemistry |
USA Today |
10 Mar 2021 |
Chemical indicator |
Jonesin |
02 Mar 2021 |
Chemical indicator |
The Times Concise |
22 Feb 2021 |
Stuff that turns red in acid |
Universal |
20 Dec 2020 |
Literature problem raised in sort of test paper |
The Telegraph Cryptic |
07 Oct 2020 |
Dye used by chemists |
Jonesin |
06 Oct 2020 |
Acid-base test material |
USA Today |
12 Sep 2020 |
Feature of test — learner has problem get round nailing it |
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Identifier of a basic solution |
The New Yorker |
30 Mar 2020 |
Acidity-testing paper |
Newsday |
29 Nov 2019 |
A dye used as indicator of acid |
Irish Times Simplex |
14 Nov 2019 |
Coloring used in chemistry |
Newsday |
23 Aug 2019 |
Acid test paper |
Universal |
27 Jul 2019 |
Red/blue chemical test |
Universal |
06 May 2019 |
Red/blue chemical test |
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Acid test paper |
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Kind of test in literature, to sum up |
Irish Times Crosaire |
03 Nov 2018 |
Chem lab colorant |
Newsday |
23 Sep 2018 |
Acid-base indicator |
Jonesin |
21 Aug 2018 |
It turns red in acid |
Thomas Joseph |
16 May 2018 |
Drunk Greek character given first of strong soluble powder |
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Kind of paper that's taken in chemistry test |
The Telegraph Cryptic |
01 Oct 2017 |
Useful chemical features endless stimuli when shaken |
The Telegraph Toughie |
15 Jun 2017 |
Kind of paper or test |
New York Times |
29 Jan 2017 |
A dye used as a rough indicator of acid |
Irish Times Simplex |
21 Jan 2017 |
Kind of paper or test |
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Settled problem about dye |
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It turns red with acid, blue with alkaline |
Irish Times Simplex |
13 Dec 2016 |
Paper that turns blue in alkalis |
The Telegraph General Knowledge |
20 Nov 2016 |
Powder that's bright, essential for the most part |
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Color-changing stuff |
Wall Street Journal |
09 Jul 2016 |
Chemistry paper |
Newsday |
12 Jun 2016 |
Books read before problem coming up in test paper |
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Acid or base indicator |
LA Times Daily |
22 Sep 2015 |
Acid/alkali test dye |
The Times Concise |
08 Jul 2015 |
Long new technology problem comes up this sort of test |
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Acid-test paper |
Eugene Sheffer |
30 May 2015 |
Some call it music (take acid to it) |
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Color-changing stuff |
Thomas Joseph |
21 Mar 2015 |
___ test |
Jonesin |
05 Feb 2015 |
Kind of test in literature to sum up |
Irish Times Crosaire |
02 Jan 2015 |
Acid or base indicator |
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Acid-testing paper |
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Chem test paper? |
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Substance in acid tests |
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It turns red in acid |
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Type of test |
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Chem test paper? |
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Substance in acid tests |
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It turns red in acid |
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Acid test material |
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It turns red in acid |
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__ test: pH indicator |
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__ test: pH indicator |
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Word with test or paper |
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Kind of test |
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Word before paper or test |
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Blue coloring matter |
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Kind of test |
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It turns blue in an alkali |
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It turns red in acid |
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It turns blue in an alkali |
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___ test |
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Chemical indicator |
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It turns red in acid |
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Benchmark test |
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Acid test? |
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Kind of test |
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Dye used by chemists |
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It turns blue in acid |
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Books and letters providing material for test |
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Chemical indicator |
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Dye used by chemists |
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Kind of test or paper |
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Kind of paper or test |
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Acid/base test dye |
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Acid indicator |
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___ paper. |
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Acid-base indicator. |
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___ test |
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Acid-base indicator |
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