MCQ
निम्नलिखित में से कौन-सा रॉक साल्ट है?
  • A
    $\mathrm{NaCO}_{3}$
  • $\mathrm{NaCl}$
  • C
    $\mathrm{CaCl}_{2}$
  • D
    $\mathrm{CaF}_{2}$

Answer

Correct option: B.
$\mathrm{NaCl}$
b

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