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 - a. Law
Which of the following is a tentative explanation for a set of observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
...
Straighterline Chemistry Final- deck 1 Quiz [Answered]2023\24
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 - a. Law
Which of the following is a tentative explanation for a set of observations?
Select one:
a. Law
b. Hypothesis c. Theory
d. Phenomena
e. Prediction - b. Hypothesis
If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture d. Heterogeneous mixture
e. Solvent - c. Homogeneous mixture
Which of the following does not have a uniform composition throughout?
Select one:
a. Element b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture e. Solvent - d. Heterogeneous mixture
Which one of these represents a physical change?
Select one:
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. - a. Water, when heated,
forms steam.
What terms defines a mass which is exactly equal to 1/12 the mass of one carbon-12 atom?
Select one:
a. Isotope number
b. Mass number
c. Mass-to-charge ratio
d. Atomic number
e. Atomic mass unit - e. Atomic mass unit
C(graphite) and C(diamond) are examples of:
Select one:
a. isotopes of carbon.
b. allotropes of carbon. c. the law of definite proportions.
d. different carbon ions. - b. allotropes of carbon.
The formula for sodium sulfide is
Select one:
a. NaS
b. K2S
c. NaS2
d. Na2S e. SeS - d. Na2S
What is the name of ClO - ion?
Select one:
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