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- A man went door to door posing as a goldsmith He promised to bring back the glitter of the old and dull ornaments An unsuspecting lady gave a set of gold bangles to himwhich he dipped in a particular solution The bangles sparkled like new but their weight was reduced drastically The lady was upset but after a futile argument the man beat ahasty retreat Can you play the detective to find out the nature of the solution he had used?State the effects that cause bulk and nanoscale materials to have different magnetic properties.No plagiarism please! 11. Describe a method to separate salt from a homogeneous mixture of salt water so that it is in the form of a solid at the end of the separation process.
- A volumetric calcium analysis on triplicate samples of the blood serum of a patient believed to be suffering from a hyperparathyroid condition produced the following data: mmol Ca/L = 3.15, 3.25, 3.26. What is the 95% confidence interval for the mean of the data, assuming no prior information about the precision of the analysis?density of irregular solid mass of irregular solid 8.299 g initial volume 48 mL final volume 55 mL total volume displaced 7 mL what is the density of irregulatr solid?part b pls!