Which of the Following Will Oxidize Gold

question 42

Multiple Choice

Which of the following will oxidize gold

• A) concentrated nitric acid
• B) concentrated hydrochloric acid
• C) aqua regia, a mixture of concentrated nitric acid and concentrated hydrochloric acid
• D) all of the above can oxidize gold
• E) none of the above can oxidize gold because it is a noble metal and too low on the activity series

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Definitions:

Sample Mean

The average value of a sample set of numbers.

Freshmen

First-year students in a secondary or post-secondary educational institution.

Probability

The evaluation of how probable an event is, shown as a numerical value between 0 and 1, where 0 stands for the event being impossible and 1 representing absolute certainty of the event occurring.

Sample Mean

The sample mean is the average value of a sample set of numbers, calculated by dividing the sum of all values in the sample by the number of values.