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Electrochemistry question

2003 · Shift 0 · Q37
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Electrochemistry question

2003 · Shift 0 · Q37

JEE MainChemistryElectrochemistryMCQ+4 / −1
Several blocks of magnesium are fixed to the bottom of a ship to :
  1. A
    make the ship lighter
  2. B
    prevent action of water and salt
  3. C
    prevent puncturing by under-sea rocks
  4. D
    keep away the sharks
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