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Types of Chemical Reactions — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceTypes of Chemical Reactions1 Mark
MCQ
______ is a double salt.
  • A
     Sodium chloride
  • B
     Washing soda
  • ✓
     Potash alum
  • D
    Bleaching powder.
✓

Answer

Correct option: C.
 Potash alum
Potash alum

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