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What else can I help you with?
What is a factor in an experiment that are kept the same from trial to trial?
Constants are the factors in an experiment that are the same in each trial. For example the brand of a particular reagent, whether a solution should be mixed gently or re-suspended using a vortex and reagent volumes should not be altered so that these factors may be ruled out as the cause of any changes in the independent variable.
Should Club Newsletters have volumes and numbers?
Volumes and numbers will help members to keep the club newsletters in order is they wish.
Why should screw cap of a reagent bottle be placed bottom up on the table?
If the cover of a reagent bottle is placed on a table with the bottom down, it can pick up material from the table which would contaminate the contents of the reagent bottle after the cap is put back on the bottle.
What should you do when you have finished using a reagent?
After using a reagent, you should securely close the container to prevent spills or contamination. Store the reagent according to the manufacturer's instructions, making sure to label it with the date it was opened and any other relevant information. Dispose of any waste following proper laboratory protocols.
Why must the glass stopper of a reagent bottle never be placed directly on the laboratory bench?
The stopper of a chemical reagent container should be handled carefully for two reasons. Firstly, it may contain chemical residues which can be dangerous. Additionally, if the stopper is dirtied it may contaminate the reagent in the bottle when the stopper is put back on.
What is a sentence for Circumstances?
Under no circumstances you should have did your homework
Have you ever been in a situation where you found yourself without the specific technical knowledge to perform a task essential to your project?
To answer this question when you are on an interview you should tell the truth. You must tell the interviewer about the scenario and what you did to overcome the circumstances.
Why should benzidine reagent be freshly prepared?
Benzidine reagent should be freshly prepared to ensure accuracy and reliability of the results. It is prone to oxidation and degradation over time, which can lead to false positive or negative test outcomes. Freshly prepared benzidine reagent will provide the most accurate and consistent results in tests.
What is fouchets reagent content?
Fouchet's reagent typically contains concentrated sulfuric acid and p-dimethylaminobenzaldehyde. It is used for detecting the presence of phosphates in solution through a color change reaction to a blue-colored complex. Caution should be taken when handling Fouchet's reagent due to its corrosive nature.
Why biuret reagent only kept in plastic bottle?
Biuret reagent should only be kept in a plastic bottle because it reacts with glass, which can contaminate the solution and give inaccurate results. Plastic is chemically inert and does not react with the reagent, ensuring the accuracy of the test results.
If you have obtained more than the required amount of a solid chemical from a reagent bottle you should .?
dispose of the excess as directed
Why should you use ammonia-free distilled water on preparing of urea reagent?
i dont know soory
