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When heating a solution in a test tube what should a student do?
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In heating chemicals in a test tube where should the mouth of the test tube point?
Away from you....... BULOK eat my dust
What does Benedict's Test provide or test for?
Benedict's test estimates on color scale the presence of sugar .Normally used as a random pathological chemical test to determine the presence of sugar in urine in diabetes patients.In presence of sugar Benedict's solution turns from blue to shades of yellow,red,brown & dark according to the percentage of sugar present in solution on heating the solution.
What criterion indicates that you are heating the solution in the test tube with a cool flame?
cool flame is used when you want to maintain your liquid at a constant elevated temp.
What is test ring in Heat exchanger?
The test ring in a heat exchanger is the seal, that keeps the water from the heating container. The test ring should be changed every year.
Heating the liquid in a test tube?
it vapourise from the test tube
Why do you suppose you should do always slant test tubes away from yourself and others when heating them?
In case the solution you are heating becomes voliate and sprays, or explodes. It will go through the path of least resistance, I.e. open end of a test tube.
What is the first test to perform with a electric heating appliance?
what is the first test that should be made on a heating electric appliance
A student adds iodine solution to egg white and waits for a color change How long with the student have to wait?
Forever! Its a protein and iodine solution test for starch.
What is most important part of heating a liquid in a test tube?
Heating should be slow.The test tube should not be full.Work in a laboratory hood.
In heating chemicals in a test tube where should the mouth of the test tube point?
Away from you....... BULOK eat my dust
When heating liquid in a test tube what safety precautions are needed?
Before heating it, you should check the test tube for damage (scratches or cracks), and not use one that isn't perfect. You should also wear safety glasses (to protect your eyes in case the test tube explodes, which happens sometimes, even when heating water). If you are heating something that could react violently, you should use a blast shield (thick piece of clear plastic).
What does Benedict's Test provide or test for?
Benedict's test estimates on color scale the presence of sugar .Normally used as a random pathological chemical test to determine the presence of sugar in urine in diabetes patients.In presence of sugar Benedict's solution turns from blue to shades of yellow,red,brown & dark according to the percentage of sugar present in solution on heating the solution.
What criterion indicates that you are heating the solution in the test tube with a cool flame?
cool flame is used when you want to maintain your liquid at a constant elevated temp.
What chemical is used to test for reducing sugar?
Benedict's solution is used to test for reducing sugar.
What is test ring in Heat exchanger?
The test ring in a heat exchanger is the seal, that keeps the water from the heating container. The test ring should be changed every year.
When heating a liquid sample in a test tube the mouth of the test tube should be?
It depends on what you are doing, you should be sure to follow instructions carefully and be sure to take proper safety precautions
Test of starch?
1. Place a small amount of starch powder in a test tube filled with cold water 2. Boil it to make a clear solution 3. Once the solution has cooled off, you should put 3 or 4 drops of iodine solution in it. 4. The solution should turn dark blue.
