4. When magnesium is burned in air, a powdery ash X is formed. X dissolving in water forms Y. a. What are (i) X and (ii) Y ? b. What is the action of Y on litmus paper? c. What conclusion do you get on the nature of Y from its action on litmus paper? d. What is the common name of the indigestion relieving medicines which contains Y?
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Trdfj ice the answer is 2
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Answer:(a) (1)magnesium oxide(mgo)
(2)Y=magnesium hydroxide mg(OH)2
(b) Y turns red litmus to blue litmus
(c) Y is basic in nature
(d) milk of magnesia
Explanation:
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