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Clearblue test positive but no line in control?

A positive result on a Clearblue pregnancy test indicates the presence of the hormone hCG. If there is no line in the control window, the test may be defective or invalid. It is recommended to retake the test with a new one to confirm the results.


What is the purpose of the Beilstein test in organic chemistry?

The purpose of the Beilstein test in organic chemistry is to detect the presence of halogens, specifically chlorine, bromine, or iodine, in organic compounds. This test involves heating the compound with copper oxide in a flame, resulting in a colored flame that indicates the presence of halogens.


What color tube for a chemistry test?

The color of the tube for a chemistry test will vary depending on the specific test being done and the type of sample being collected. Common colors include red, lavender, green, blue, and gold. It is important to follow the specific instructions provided for the test to ensure the correct tube is used.


What color test tube is HbA1C?

HbA1C test tubes are typically light purple in color, signifying that the blood sample is for a chemistry test.


What is wet test of chemistry?

The wet test in chemistry refers to a set of qualitative chemical analysis techniques where chemical reactions are carried out on a sample to identify the presence of specific ions or functional groups. It typically involves the addition of reagents to the sample to observe color changes, precipitates, or gas formation, which can help determine the composition of the sample. Wet tests are commonly used in analytical chemistry for identifying unknown substances.

Related Questions

Where is the ple platoweb final mastery test?

Parallel structures


How do i unlock a mastery test on Plato?

How do i unlock a mastery test on platoweb? I've tried going back into the tutorial then going back to the menu but it's still locked!


Can a fifth grade student retake a map test?

Ask your teacher if you can retake the test


Do you have to retake the written test to get your license?

No you don't have to retake the written test to get your drivers license.


Do you have to retake the test if your license expires?

Yes, if your license expires, you typically have to retake the test to renew it.


Do you need to retake the test in order to renew your permit?

Yes, you need to retake the test to renew your permit.


How much does test drive cost?

$48 (additional $10 to retake written test; additional $20 to retake driving test)


What is retesting?

it is when you retake a test.


When you retake your California permit test is it the same test?

no it is not


Do you have to retake the drivers test if your license expires?

Yes, if your driver's license expires, you typically have to retake the driver's test to renew it.


Ive taken the GED test and failed the math How can you retake only the math part to finish the test?

Talk to your teacher about it and maybe he/she will talk to you about how you can retake the test or ask if you can go to class before or after school to take the test again and just hope he/she does let you retake the test. :)


Can you retake a drug test if you test positive?

If you are taking a drug test for a job and it is positive, you will not be able to retake the drug test. However, you can always ask the person giving the drug test of it can be retaken.