What action is NOT necessary before lighting a Bunsen burner?Select one:Clear the burner area of flammable materials such as solvents and papers.Check that the gas regulator and air inlet on the burner can be adjusted.Make sure there are no holes in the hose connected to the burner.Leave the gas cock open for a few minutes before lighting to clear the line.

When lighting a Bunsen burner, you should always:

KA1: When lighting a Bunsen burner, you should always:light the match before turning on the gasturn on the gas before lighting the matchleave your safety glasses on the benchattach the rubber hose when the gas tap is in the on position

What precautions should be taken whilst using a bunsen burner?Group of answer choicesEnsure loose clothing (eg long sleeves) are tied back (or not worn).The bunsen burner is only used for it's intended purpose in the experiment.Ensure loose paper sheets (which could be easily blown with a breeze) are not nearby the bunser burnerLong hair should be tied back to avoid falling into the flame.Ensure there are no flammable chemicals nearby (eg organic solvents)

Select ALL of the following statements that are INCORRECT regarding microbiology lab procedures Group of answer choices For safety’s sake the Bunsen burner should be left sitting underneath the gas taps or gas tubing. To sterilise a loop you need to hold it in the bunsen burner until it glows red hot. Always drain the ethanol off the spreader or forcepts before flaming to avoid dripping burning ethanol on anything. Set up your work area in a manner that enables you to safely use the space without reaching across the Bunsen burner. When flaming the spreader or the forceps, hold the spreader tilted down so that any flaming ethanol runs away from your hands. It is safe to hold any flaming instrument over the ethanol beaker.

why is a luminous Bunsen flame not suitable for carrying out a flame test?