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Chemical Effects of Current - 2 (Class X)

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Multiple Choice

Two faradays of electric current can produce

  1. 20 g of calcium from calcium sulphate
  2. 81 g of aluminium from aluminium oxide
  3. 48 g of magnesium from magnesium chloride
  4. 2 g of hydrogen gas from aqueous hydrogen chloride
  5. 35.5 g of chlorine gas from aqueous hydrogen chloride
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