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13 July, 06:53

What would the products of a double-replacement reaction between Ca3N2 and Al2O3 be?

A. CaAl and NO

B. CaO and AlN

C. CaN and AlO

D. Ca3O3 and Al2N2

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Answers (1)
  1. 13 July, 07:45
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    The correct answer is D.

    Explanation:

    During chemical reaction mass is preserved. This means that total number of atoms in reactants and in products is same. In answer D) we can see that products have same number of atoms as reactants.

    In answers A), B) and C) 2 atoms of Ca, 1 atom of N, 1 atom of Al and 2 atoms of O are missing.
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