Question

class 7th
chapter name - physical and chemical change
Q1. answer the following:
1. A magnesium strip is burnt. The ash obtained is dissolved in water. What kind of changes are these?
Write word equations for these.
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Answer 1

Answer:

When Magnesium is burnt, the ash is formed. This ash is Magnesium oxide. When the Magnesium oxide is dissolved in water, it forms Magnesium hydroxide.