MCQ
धावन सोडे का सूत्र है :-
  • A
    $Na _2 CO _3 .7 H _2 O$
  • $Na _2 CO _3 \cdot 10 H _2 O$
  • C
    $Na _2 CO _3 .3 H _2 O$
  • D
    $Na _2 CO _3$

Answer

Correct option: B.
$Na _2 CO _3 \cdot 10 H _2 O$

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