Learning objective
Explain uses of magnesium hydroxide and calcium carbonate in neutralising acidity.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Group 2, the alkaline earth metals
Subtopic
Group 2 applications
Study support
Understand this objective
Quick explanation
Explain uses of magnesium hydroxide and calcium carbonate in neutralising acidity
- This point belongs to Group 2, the alkaline earth metals, especially Group 2 applications.
- You need to be able to explain uses of magnesium hydroxide and calcium carbonate in neutralising acidity.
- The key ideas to know are magnesium hydroxide and acidity.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Group 2 applications to exam-style questions, flashcards, and revision notes for Group 2, the alkaline earth metals.
Quick student answer
Which of the following is a common use of magnesium hydroxide?
Direct answer
Magnesium hydroxide is commonly used as an antacid to neutralize stomach acid.
Key terms
- Neutralization: A chemical reaction in which an acid and a base react to form water and a salt.
- pH: A measure of the acidity or alkalinity of a solution, on a scale of 0 to 14.
Common trap
Confusing magnesium hydroxide with magnesium oxide: Remember that magnesium hydroxide is specifically used for neutralizing stomach acid, while magnesium oxide has different applications.
Related questions
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Flashcard prompts
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Revision tools
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Practice Questions0 linked questions
Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Explain trends in atomic radius and first ionisation energy down Group 2.
Group 2 trends and reactions
- Describe reactions of Group 2 metals with oxygen, water and acids.
Group 2 trends and reactions
- Explain the trend in reactivity down Group 2.
Group 2 trends and reactions
- Explain trends in solubility of Group 2 hydroxides and sulfates.
Group 2 trends and reactions
- Explain why barium sulfate can be used in medicine despite barium compounds often being toxic.
Group 2 applications