
Chemical Reactions
Quiz by Chris Rafalik
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5 questions
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- Q1Which of the following substances is an organic compound?Ammonium sulfide - (NH4)2SUrea - CH4N2OSodium chloride - NaClSilane - SiH430s
- Q2All of the following are correctly balanced EXCEPT -HGFJ30s
- Q3Which of these formulas contain equal numbers of nitrogen atoms?Formulas I and IVFormulas I and IIIForumlas II and IIIFormulas I, II, and V30s
- Q4Which information could a student determine from only the chemical formula of a protein?The number of atoms of each element in the proteinThe number of molecules in each sequence that makes up a proteinThe physical arrangement of atoms in the structure of the proteinThe color of the protein30s
- Q5What most likely happened to produce these results?One of the original compounds came out of solutionRapid evaporation of water occurred, leaving a solidThe solutions reacted chemicallySome of the water froze into ice crystals30s