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The best flame for heating thing is blue. Complete combustion usually has a dim or light blue color because of single wavelength radiation.
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∙ 9y ago
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On a Bunsen burner which flame is the 'clean' flame for heating?
Blue flame is a clean flame.
Which type of flame will you use for heating?
the blue flame
Which flame is not suitable for heating in Bunsen burner and why?
The yellow flame because that is the safety flame
What type of flame should be used for heating solids?
a blue flame
Why is the blue flame on the Bunsen burner used for heating?
It's hotter than the yellow flame.
Why should the yellow Bunsen burner flame not be used for heating?
because it isnt hot enough and will leave soot on the bottom of the thing you are heating
On a Bunsen burner which flame is the 'clean' flame for heating?
Blue flame is a clean flame.
Which type of flame will you use for heating?
the blue flame
The best method of heating fluid in a tube is to point the flame directly at the bottom of the tube?
false
Which flame is not suitable for heating in Bunsen burner and why?
The yellow flame because that is the safety flame
What type of flame should be used for heating solids?
a blue flame
What is appearance of a flame that is used for heating?
luminous
What is the colour of the flame for heating?
The flame should be very pale blue (almost invisible) for heating strongly. This is achieved by opening the air hole fully.
Why is a Bunsen burner not used for heating when the air hole is closed?
When the air hole is closed, the flame is a luminous flame. This flame is not ideal for heating for the following reasons: it is not as hot as the non-luminous flame it is very unstable it produces a lot of soot thus, only non-luminous flames (the blue one) is ideal for heating. :)
Why is the blue flame on the Bunsen burner used for heating?
It's hotter than the yellow flame.
What is another name for the Bunsen burner?
you would use the safety flame when not heating anything because the blue flame is for heating because its hotter than yellow.
Why must you use hot water bath to melt the naphthalene instead of heating it directly over a flame?
Heating it on a flame will cause possibly dangerous vapour. Hot water avoids this.
