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Reactivity with Air and Water (Group 2)

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Question

Write the word equation and the chemical equation and also state the kind of change when Magnesium oxide is dissolved in water.

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Solution

$W o r d E q u a t i o n :$ Magnesium oxide + Water $\to$ Magnesium hydroxide

$C h e m i c a l e q u a t i o n : M g O + H_{2} O = M g (O H)_{2}$

A chemical change will take place when $M g (s)$ is dissolved in water.

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