CHEM 105 Ch MULTIPLE CHOIC ose altermacve that lbest completes the statement or
ID: 568941 • Letter: C
Question
CHEM 105 Ch MULTIPLE CHOIC ose altermacve that lbest completes the statement or answers the 1) What method used by scientists is the sy somasic approach to the discovery of new information A) analytical method B) chemical method C) D) sciensific method E) hypothesical method hnologicall method 2) What is a hypothesis? 2) A) the result of a single measurement er observation B) the summary of a large quantity of information C) an observation of a chemical reaction D) a fact that reaults from extensive experimentation and sesting E) an attempt to explain an observation, or a series of observations 3) 3) Which statement concerning the scienoific method is FALSE A) Experimentation is condacsed to either support or &i; xprove a hypothesis B) A theory explains scientific observations and data and can help predict nevw observations and data C) The process of explaining observed behavior begins with a hypothesis D) The sciensific method is an organined approach to solving sciensfic problems E) A hypothesis becomes a theory when a single experiment supports it 4) What type of change albers the appearance, but not the composition or idensity of the 4) substance undergoing the change? A) nuclear B) theoretical C) physical D) analytical E) chemical 5) Which statement concerning changes in master is FALSE? 5) A) A chemical change is also called a chemical reaction B) Melting and freezing are chemical changes that change both the appearance of the substance as well as the identity of the substance C) A physical change alters the appearance of a substance, but not its identity D) A chemical change always results in the production of a new substance E) A chemical change alters the identity of a substanceExplanation / Answer
1) - D
2) - E
3) - E
4) - C
5) - B
6) - D
7) - B
8) - E
Please rate the answer if you like it!