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Atoms and Molecules — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
MCQ
Mixing of Pb(NO3)2 and KI solution should be done ___________. 
  • A
    Slowly without stirring.
  • B
    Slowly with constant stirring.
  • C
    Fast without stirring.
  • D
    Very fast with constant stirring.
✓

Answer

  1. Slowly with constant stirring.

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