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Chemistry class 10th
1.The formula of oxide of two element X and Y are Y2O3 respectively.
(a) Find the valancies of X and Y
(b) Identify the group in which they would be placed in the modern periodic table.
(c) Name one more element belonging to each of these groups.
Chemistry class 10th
1.The formula of oxide of two element X and Y are Y2O3 respectively.
(a) Find the valancies of X and Y
(b) Identify the group in which they would be placed in the modern periodic table.
(c) Name one more element belonging to each of these groups.
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