Chemistry Honors Final Exam Questions With 100% Correct Answers!!

What is chemistry? - Answer-The study of the changes in matter What is analytical chemistry? - Answer-The study of the chemical composition of a new substance What equipment would be used to measure 30.6 mL of a liquid solution? - Answer-Buret Substance vs. Mixture - Answer-Composition a substance cannot vary, but the composition of a mixture can Which of the following is Not a molecule - Answer-If I️t has more than one element or the one element has a subscript, I️t is a molecule. If there is only one element such as potassium (K) is is not a molecule separating mixtures? - Answer-Physical means What is a theory? - Answer-A well tested explanation for a broad set of observations Best methods to separate a dissolved solution? - Answer-Distillation Which state of mass can take the shape and volume of its container? - Answer-Gas Products vs. reactants - Answer-Products go in, reactants come out If you scooped too many chemicals, you can put I️t back where you got it - Answer-False You need teacher guidance before you start a lab - Answer-True You can make up labs anytime you want - Answer-False Students have to periodically test the eye wash - Answer-FalseZn + H2SO4 = H2 Mg burns in the air to make MgO - Answer-Chemical Zinc conducts electricity Copper solutions turns blue - Answer-Physical extensive properties - Answer-Volume Mass intensive properties - Answer-Melting point Density Laurie acid melted when put in hot water bath - Answer-Physical change