--- title: Identify the principal reason for which the admixture of bleach with… — Cleaning chemicals and safety at home · tree and pragmatics description: Identify the principal reason for which the admixture of bleach with an acidic lavatory cleaner is expressly prohibited. Exam question 1 of lesson 25 «Cleaning chemicals and safety at home» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/chemistry/25-cleaning-chemicals-safety/e1/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/) / [Cleaning chemicals and safety at home](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/25-cleaning-chemicals-safety/) / e1 # Exam question 1 · Cleaning chemicals and safety at home Identify the principal reason for which the admixture of bleach with an acidic lavatory cleaner is expressly prohibited. **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** identify, prohibit, admix · **To what, where:** principal reason, admixture, bleach This is exam question 1 of lesson 25 «Cleaning chemicals and safety at home» of the chemistry course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/chemistry/25-cleaning-chemicals-safety/#e1). ## The question {#question} ```conllu # sent_id = question:chemistry:25-cleaning-chemicals-safety:e1:1 # text = Identify the principal reason for which the admixture of bleach with an acidic lavatory cleaner is expressly prohibited. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 4 det _ _ 3 principal principal ADJ JJ Degree=Pos 4 amod _ _ 4 reason reason NOUN NN Number=Sing 1 obj _ _ 5 for for ADP IN _ 6 case _ _ 6 which which PRON WDT PronType=Rel 18 obl _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 admixture admixture NOUN NN Number=Sing 18 nsubj:pass _ _ 9 of of ADP IN _ 10 case _ _ 10 bleach bleach NOUN NN Number=Sing 8 nmod _ _ 11 with with ADP IN _ 15 case _ _ 12 an a DET DT Definite=Ind|PronType=Art 15 det _ _ 13 acidic acidic ADJ JJ Degree=Pos 15 amod _ _ 14 lavatory lavatory NOUN NN Number=Sing 15 compound _ _ 15 cleaner cleaner NOUN NN Number=Sing 10 nmod _ _ 16 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 18 aux:pass _ _ 17 expressly expressly ADV RB _ 18 advmod _ _ 18 prohibited prohibit VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 4 acl:relcl _ SpaceAfter=No 19 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | the principal reason | | | | | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme | | 2 | **prohibit** | present · passive | | the admixture of bleach with a acidic lavatory cleaner | | | | for the principal reason; expressly *property* | vn forbid-64.4-1 «NP V NP»: subject=Theme | | 3 | **admix** | | | bleach with a acidic lavatory cleaner | | | | | nom admixture «state transitive»: of=patient | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. ## The options {#options} ### Option 1 · ← Mova's choice {#o1} The admixture produces an unpleasant colour ```conllu # sent_id = question:chemistry:25-cleaning-chemicals-safety:e1:o1:1 # text = The admixture produces an unpleasant colour 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 admixture admixture NOUN NN Number=Sing 3 nsubj _ _ 3 produces produce VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 an a DET DT Definite=Ind|PronType=Art 6 det _ _ 5 unpleasant unpleasant ADJ JJ Degree=Pos 6 amod _ _ 6 colour colour NOUN NN Number=Sing 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **produce** | present | the admixture | a unpleasant colour | | | | | vn create-26.4 «NP V NP»: agent=Agent colour=Result | ### Option 2 {#o2} The admixture neutralises all cleaning action ```conllu # sent_id = question:chemistry:25-cleaning-chemicals-safety:e1:o2:1 # text = The admixture neutralises all cleaning action 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 admixture admixture NOUN NN Number=Sing 3 nsubj _ _ 3 neutralises neutralis VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 all all DET DT PronType=Tot 6 det _ _ 5 cleaning clean VERB VBG VerbForm=Ger 6 amod _ _ 6 action action NOUN NN Number=Sing 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **neutralis** | present | the admixture | all cleaning action | | | | | tree rules | | 2 | **clean** | gerund | | | | | | | vn other\_cos-45.4 «NP.patient V»: agent=Patient | ### Option 3 · ✓ the right answer {#o3} The admixture liberates a poisonous gas ```conllu # sent_id = question:chemistry:25-cleaning-chemicals-safety:e1:o3:1 # text = The admixture liberates a poisonous gas 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 admixture admixture NOUN NN Number=Sing 3 nsubj _ _ 3 liberates liberate VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 5 poisonous poisonous ADJ JJ Degree=Pos 6 amod _ _ 6 gas gas NOUN NN Number=Sing 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **liberate** | present | the admixture | a poisonous gas | | | | | vn steal-10.5 «NP V NP»: agent=Agent gas=Theme | ### Option 4 {#o4} The admixture generates excessive foam ```conllu # sent_id = question:chemistry:25-cleaning-chemicals-safety:e1:o4:1 # text = The admixture generates excessive foam 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 admixture admixture NOUN NN Number=Sing 3 nsubj _ _ 3 generates generate VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 excessive excessive ADJ JJ Degree=Pos 5 amod _ _ 5 foam foam NOUN NN Number=Sing 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **generate** | present | the admixture | excessive foam | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent foam=Patient | **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License. - ← previous: [Cleaning chemicals and safety at home, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/25-cleaning-chemicals-safety/t11/) - next →: [Cleaning chemicals and safety at home, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/25-cleaning-chemicals-safety/e2/) - ↑ back to [Cleaning chemicals and safety at home](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/25-cleaning-chemicals-safety/)