Question

19. When magnesium is burnt in air, a powdery ash X is formed. X on dissolving in water forms Y.

(a) Identify X and Y
(b) Is Y acidic or basic? How will you identify it using a litmus paper?
(c) Name an antacid containing Y.




Help me
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Answer 1

Answer:

X is magnesium oxide. Y is magnesium hydroxide

b) basic. red litmus will turn blue

c) milk of magnesia...(i guess)

Answer 2

(a)

• X= MgO
• Y= Mg(OH)2

(b) Y is basic in nature. it turns red litmus blue.

(c) milk of Magnesia [Mg(OH)2]