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In a candle flame, what is the colour of...

In a candle flame, what is the colour of : outer zone ?

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Knowledge Check

  • What is the colour of the flame test for sodium?

    A
    Green
    B
    Red
    C
    violet
    D
    Yellow

  • A flame is the visible gaseous part of a fire. It is a zone of combustion of gaseous substances accompanied by evolution of heat and light. All substances do not burn with a flame. Only those substances that vaporise during burning produce flame. A candle flame is taken to study the various zones of a flame. Which zone of a candle flame is the zone of no combustion?

    A
    Outermost zone
    B
    Middle zone
    C
    Innermost zone
    D
    None of these

  • A salt imparts a yellow colour to a borax bead in an oxidising flame. What would be the colour of the bead in a reducing flame?

    A
    Green
    B
    Blue
    C
    Red
    D
    Violet

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    Name the various zones of a candle flame. Which zone (or part) of a candle flame is the least hot (or coldest)?

    A flame is the visible gaseous part of a fire. It is a zone of combustion of gaseous substances accompanied by evolution of heat and light. All substances do not burn with a flame. Only those substances that vaporise during burning produce flame. A candle flame is taken to study the various zones of a flame. The luminous and non-luminous zones of flame is respectively.

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