Hard Hard difficulty. Chemistry General Science What reagent could oxidize an alcohol to a carbonyl? Answer Sodium Hypochlorite Draw the answer
Intermediate Intermediate difficulty. Chemistry Which element did Marie and Pierre Curie discover in 1898 and name after Poland? Answer Polonium Draw the answer
Hard Hard difficulty. Chemistry Which element, first synthesized in 2010, has atomic number 117? Answer Tennessine Draw the answer
Hard Hard difficulty. Chemistry Which 1913 law relates the frequency of X-ray lines to the atomic number of elements? Answer Moseley's law Draw the answer
Intermediate Intermediate difficulty. Chemistry Who formulated the law of definite proportions around 1794? Answer Joseph Proust Draw the answer
Intermediate Intermediate difficulty. Chemistry What is the IUPAC name of acetone? Answer Propanone Draw the answer
Easy Easy difficulty. Chemistry What is the common name for solid carbon dioxide? Answer Dry ice Draw the answer