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Observations Quiz App Download & e-Book - 905

MCQ: 905

The zone in the flame which is cold and consists of unburnt particle is

  1. Dark inner zone
  2. Luminous zone
  3. Non-Luminous zone
  4. Blue zone

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Observations App (Android & iOS)

Observations App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (iOS & Android)

9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (iOS & Android)