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How would you prove that a substance contains magnesium ions?

Add sodium hydroxide solution to the substance and if a white precipitate is observed that does not dissolve in excess sodium hydroxide then there are magnesium ions in the substance.

Answered by Rachel C. • Chemistry tutor

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A student wishes to investigate the effect of surface area on the rate of reaction between marble chips and hydrochloric acid. Which variables should he control?

Balance the equation for the reaction of sodium hydroxide with sulphuric acid.

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How would you prove that a substance contains magnesium ions?

Related Chemistry GCSE answers

A student wishes to investigate the effect of surface area on the rate of reaction between marble chips and hydrochloric acid. Which variables should he control?

Balance the equation for the reaction of sodium hydroxide with sulphuric acid.

What are Oxidation and Reduction?

Compare and contrast the structures of Diamond and Magnesium in terms of the position and interactions of particles within the substance. Comment on how this is reflected in their properties.

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