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Question

SiO2 reacts with :

A
Na2CO3
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B
CO2
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C
HF
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D
HCl
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Solution

The correct options are
A Na2CO3
C HF
SiO2(s)+4HF()SiF4()+2H2O()
SiO2(s)+Na2CO3(s)Na2SiO3(s)+CO2(g)

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