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hash_include (381)

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Olaaa!! Perrrfect answer. 59  [102 rates]

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interesting tip to find whether an oxide is a basic/acidic oxide:

add a molecule of water and see if the compound has a OH- grp or H+ grp

for example, SO3 --> on adding H20 we get H2S04
similarly, CuO ----> Cu(OH)2
other examples which this trick works is SO2, BaO,NO2, etc..

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