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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
Question
What happens when magnesium oxide is dissolved in water?
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Answer

When magnesium oxide is dissolved in water, magnesium hydroxide is formed. The equation for the reaction is as follow: $\mathrm{MgO}+\mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{Mg}(\mathrm{OH})_2$

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