Straighterline Chemistry Final Exam

Straighterline Chemistry Final Exam
What is the term used for findings that are summarized based on a pattern or trend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
Which of the following is a tentative explanation for a set of observations?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
If a liquid contains 60% sugar and 40% water throughout its composition then what is it
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Which of the following does not have a uniform composition throughout?
a. Element
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Which one of these represents a physical change?
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown.

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