Which of these compounds is acid?
H2O
NaBr
HCOOH
CaO
It is a formic acid formula.
reach: rather globalacidschemistry
Answers by country
H2O
NaBr
HCOOH
CaO
answers
Belarus
14
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211
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33
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16
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22
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27
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14
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81
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75
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7187
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32
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209
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41
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50
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13
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13
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60
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14
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14
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133