Question

12. Which of the following is the correct preparatory method of acids?
1) 2NaOH +02 → Na2SO. + 2H,0 2) CO+H2O → H.CO,
3) 4Na +0, +2NaO
4) SO, +H2O + H2SO,​

Answer 1

Answer:

1st is correct

Explanation:

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Answer 2

$\huge\bold\purple{A}\red{N}\green{S}\blue{W}\purple{E}\green{R}$

$\huge\bold\green{\boxed{==}\purple{\boxed{==}\red{\boxed{==}\pink{==}\orange{==}{>}}}}$

$\huge\bold{1st \:ONE}$