1.Copper is an interference of iron determination using the thiocyanate method. Explain the mechanism of interference and suggest a method to overcome the interference.

2.The standard and sample solutions are prepared in 2 M HCl to acidify the sample. Explain if H2SO4can be used instead of HCl .

3.Suggest an alternative complexing agent for spectrophotometric determination of iron

There are main groups in the modern periodic table of elements

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption