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Question

Which of the following reactions are correct?


A
Ca+2H2O Ca(OH)2+H2
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B
BeO+2NaOH Na2BeO2+H2O2
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C
Ba+H2SO4 BaSO4+H2
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D
2NaNO3 Na2O+2NO2+12O2
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Solution

The correct options are
A Ca+2H2O Ca(OH)2+H2
C Ba+H2SO4 BaSO4+H2
Ca+2H2O Ca(OH)2+H2
BeO+2NaOH Na2BeO2+H2O
Ba+H2SO4 BaSO4+H2
2NaNO3 2NaNO2+O2

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