STRAIGHTERLINE CHEMISTRY 101 EXAM |ACTUAL
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
Which of the following is a tentative explanation for a set of observations?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
CORRECT ANSWER
b. Hypothesis
Question 2
Which of the following cannot be separated into simpler substances by chemical means?
a. Element
b. Emulsion
c. Compound
d. Homogeneous mixture
e. Heterogeneous mixture
CORRECT ANSWER
a. Element
Question 3
1
, Which of the following is an extensive property?
a. Density
b. Temperature
c. Mass
d. Specific Heat
e. Pressure
CORRECT ANSWER
C. Mass
Question 4
Which of the following is a chemical change?
a. Boiling water
b. Melting wax
c. Broiling a steak on a grill
d. Condensing water vapor into rainfall
e. Carving a piece of wood
CORRECT ANSWER
c. Broiling a stake on a grill
Question 5
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.
2
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
Which of the following is a tentative explanation for a set of observations?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
CORRECT ANSWER
b. Hypothesis
Question 2
Which of the following cannot be separated into simpler substances by chemical means?
a. Element
b. Emulsion
c. Compound
d. Homogeneous mixture
e. Heterogeneous mixture
CORRECT ANSWER
a. Element
Question 3
1
, Which of the following is an extensive property?
a. Density
b. Temperature
c. Mass
d. Specific Heat
e. Pressure
CORRECT ANSWER
C. Mass
Question 4
Which of the following is a chemical change?
a. Boiling water
b. Melting wax
c. Broiling a steak on a grill
d. Condensing water vapor into rainfall
e. Carving a piece of wood
CORRECT ANSWER
c. Broiling a stake on a grill
Question 5
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.
2