Uses of Group 2 Elements (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
At what temperature is reduced by magnesium in titanium extraction?
At what temperature is reduced by magnesium in titanium extraction?
Nearly 1000°C
What is magnesium hydroxide commonly known as?
What is magnesium hydroxide commonly known as?
Milk of magnesia
What is the main use of calcium hydroxide in agriculture?
What is the main use of calcium hydroxide in agriculture?
Neutralises acidic soil
Which equation shows magnesium reducing to titanium?
Which equation shows magnesium reducing to titanium?
Why is magnesium hydroxide safe as a laxative?
Why is magnesium hydroxide safe as a laxative?
Low solubility prevents absorption
Which compounds remove from flue gases?
Which compounds remove from flue gases?
and
Why is barium sulfate safe in medicine despite barium ions being toxic?
Why is barium sulfate safe in medicine despite barium ions being toxic?
It's highly insoluble
What observation confirms sulfate ions when adding acidified ?
What observation confirms sulfate ions when adding acidified ?
White precipitate forms
Why is barium chloride acidified when testing for sulfate ions?
Why is barium chloride acidified when testing for sulfate ions?
Prevents false positives from carbonates
What key property makes barium sulfate useful for medical imaging?
What key property makes barium sulfate useful for medical imaging?
Absorbs X-rays