Magnesium ribbon burnt in air with a dazzling white flame and turned into to a white powder 'Y'. When dissolved in water, this white powder formed the solution 'Z' which changed the colour of litmus from red to blue. Identify Y and Z
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Answer:Magnesium is an alkali metal. When it is burnt in air it reacts with oxygen to form magnesium oxide. When water is added to magnesium oxide then it forms magnesium hydroxide.
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