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2. When added OH-, is is Blue in colour

  • Cu2+
  • K+
  • Mg2+
  • Fe2+

3. Flame colour :Crimson

  • Ba+
  • Na+
  • Li+
  • Ca2+

4. Flame colour : apple green

  • Na+
  • Fe2+
  • Ba2+
  • Ca2+

5. When added OH-, it is green in colour

  • Fe2+
  • Al3+
  • Ba2+
  • Fe3+
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