---
title: The fizz: vinegar, lemon and soda — the lesson's questions with trees and pragmatics · Chemistry
description: The 15 test and exam questions of lesson 18 «The fizz: vinegar, lemon and soda» of the chemistry course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics.
---

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# The fizz: vinegar, lemon and soda

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The 15 questions of lesson 18 «The fizz: vinegar, lemon and soda» of the chemistry course of Mova's primary school with their options, 87 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/chemistry/18-the-fizz-vinegar-lemon-and-soda/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t1/) — Emma's volcano stopped fizzing. She adds more soda and nothing happens. What ran out? — wrong ✗ · ★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t2/) — "the science-fair volcano is EXACTLY how Vesuvius works" says Josh. What's true? — right ✓ · ★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t3/) — A cartoon shows a balloon filled from vinegar and soda floating to the moon. What would really happen? — right ✓ · ★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t4/) — Liam wants to put the vinegar and soda in a bottle and screw the cap on tight "to see what happens". What's the honest answer? — wrong ✗ · ★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t5/) — "i put an egg in vinegar for 3 days and now it bounces lol how". Why? — wrong ✗ · ★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t6/) — You find a white rock on a walk. A drop of vinegar makes it fizz. What might it be? — wrong ✗ · ★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t7/) — If you did the fizz test in fridge-cold vinegar instead of warm vinegar, what would happen? — wrong ✗ · ★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t8/) — Mia tests three amounts of soda, but uses warm vinegar for one and cold for another. What's wrong? — wrong ✗ · ★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t9/) — "sherbet's been in me pocket all day and hasn't fizzed, is it dead?" — right ✓ · ★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t10/) — Why does a carbon dioxide fire extinguisher help on some fires? — right ✓ · ★★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t11/) — Leo does his fizz test once and gets a big result. His teacher says "do it again". Why? — right ✓ · ★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/e1/) — Identify the gas liberated when an acid such as vinegar reacts with baking soda. — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/e2/) — It is given that a closed vessel contains reacting substances which produce gas. Ascertain the principal hazard. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/e3/) — Which of the following statements most accurately characterises a fair test? — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/e4/) — Select the response consistent with the established facts concerning the effect of temperature upon the rate of a reaction. — right ✓ · exam

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