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cool flame is used when you want to maintain your liquid at a constant elevated temp.
Blue flame is a clean flame.
the blue flame
The yellow flame because that is the safety flame
a blue flame
cool flame is used when you want to maintain your liquid at a constant elevated temp.
Blue flame is a clean flame.
the blue flame
The yellow flame because that is the safety flame
a blue flame
luminous
The reason one should stop heating the solution before the liquid has completely evaporated is because heat will continue to carry over even after it is removed from the flame. This means that the liquid will continue to evaporate for a little longer.
The flame should be very pale blue (almost invisible) for heating strongly. This is achieved by opening the air hole fully.
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. :)
It's hotter than the yellow flame.
calcium chloride burns with a orange flame.
As long as the solution is a water-based solution, it should be fine. You should never ever use a Bunsen burner to heat a flammable liquid such as alcohol, ether, acetone, etc.