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Question

What is the chemical formula of carbonic acid?


A

H2CO3

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B

H3CO2

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C

HNO3

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D

HNO2

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Solution

The correct option is A

H2CO3


Explanation for the correct option:

Option (A) H2CO3- It is the chemical formula of carbonic acid.

Explanation for the incorrect option:

Option (B) H3CO2- It is the chemical formula of acetic acid.

Option (C) HNO3- It is the chemical formula of nitric acid.

Option (D) HNO2- It is the chemical formula of nitrous acid.

Therefore, Option (A) i.e. H2CO3 is the correct answer.


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