0 a substance that is colorless when it is mixed with an acid and pink or red when mixed with an alkali --
1 a substance that is colourless when it is mixed with an acid and pink or red when mixed with an alkali --
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Stimulants, especially phenolphthalein and castor oil, can cause dehydration and electrolyte disturbances in the elderly patient.
This is, in fact, sold under a variety of names, some of which are antikamnia, ammonol, antitoxin, phenalgin, and phenolphthalein.
Phenolphthalein is insoluble in water and usually is dissolved in alcohols for use in experiments.
Several indicators share a similar structure to phenol red, including bromothymol blue, thymol blue, bromocresol purple, thymolphthalein, and phenolphthalein.
It is closely related to bisacodyl, sodium picosulfate, and phenolphthalein.
The acid-base indication abilities of phenolphthalein also make it useful for testing for signs of carbonation reactions in concrete.
This is typically achieved by boiling an alkaline solution of phenolphthalein with powdered zinc, which reduces the phenolphthalein into phenolphthalin.
Phenolphthalein is used in a test to identify substances that are thought to be, or to contain, blood.
Managing Your Emotions
What makes me angry?
Mostly，l hate when someone tries to make someone else feel bad.
I have to admit that once, when l was actually called names.
l regretted doing this afterwards, but not full heartedly because l think l was provoked in that situation.
The most postive way of dealing with anger is talking about the problem.
l talk to someone who listens, or l'll write my thoughts down on paper.
Learning how to deal with anger as you're growing up is so important.
When you're younger, you might yell,or cry when you're angry, but as you get older, you're expected to handle your emotions much better.
Learning to control your emotion now will prevent you from doing something that you'll regret later on in life!
