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double replacement reaction

n.
1.a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound

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    Idiom of the Day

    whoop it up
    to enjoy oneself in a lively and noisy manner
    The fans were whooping it up after they won the basketball game.



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    By all standards (a) / he is a best soldier (b) / our military school (c) / has produced so far. (d) / No error (e)

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