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What does the hourglass on the black widow mean?
it is a gender indicator; red means male and yellow means female
When was Universal Indicator Yellow created?
Universal Indicator Yellow was created in 1993.
You have an indicator light that keeps coming on and you don't know what it means?
As you do not describe in detail what the indicator light looks like, I cannot provide an answer. Remember a basic rule. Yellow means caution, and red means stop.
What must you do when facing a steady yellow light?
A steady (instead of flashing) yellow light means the traffic signal is changing from green to red. You must stop if it's safe to do so. If you're already stopped you must not proceed.
What does yellow indicate on the ph scale?
It depends on what indicator you are using. Yellow with the bromothymol blue indicator is acidic, yellow with the methyl orange indicator is basic, yellow with the phenol red indicator is acidic and yellow with the universal indicator is acidic.
What does a steady yellow light mean?
A steady yellow light typically indicates that the traffic signal is about to turn red. It serves as a warning for drivers to prepare to stop before the light changes.
What color does bicarbonate indicator turn?
The bicarbonate indicator turns from purple to yellow when exposed to a basic solution.
Is turmeric an indicator?
ye it is an indicator
What does a traffic signal displaying a steady circular yellow light mean?
A steady circular yellow light on a traffic signal indicates that the signal is about to change to red. Drivers should prepare to stop safely before the intersection if it is safe to do so.
What color indicate positive mannitol test?
A yellow color indicates a positive mannitol test. This means that the organism can ferment mannitol, producing acid which causes the phenol red indicator to turn yellow.
What turn Univerrsal Indicator solution yellow or red?
Universal Indicator solution turns yellow in acidic solutions and red in strongly acidic solutions.
What universal indicator turns yellow?
A universal indicator turns yellow in the presence of acidic solutions with a pH below 7.
