STRAIGHTERLINE CHEMISTRY
FINAL EXAM TEST WITH
COMPLETE SOLUTIONS
Question :What is the term used for findings that are
summarized based on a pattern or trend?
- Law
- Hypothesis
- Theory
- Phenomena
- Prediction
Correct answer:a. Law
Question :We have an expert-written solution to this problem!
Which of the following is a tentative explanation for a set of observations?
Select one:
- Law
- Hypothesis
- Theory
- Phenomena
- Prediction
Correct answer:b. Hypothesis
Question :If a liquid contains 60% sugar and 40% water
throughout its composition then what is it called?
Select one:
- Solute
- Compound
- Homogeneous mixture
- Heterogeneous mixture
- Solvent
Correct answer:c. Homogeneous mixture
Question :Which of the following does not have a uniform
composition throughout?
Select one:
- Element
- Compound
- Homogeneous mixture
- Heterogeneous mixture
- Solvent
Correct answer:d. Heterogeneous mixture
Question :Which one of these represents a physical change?
Select one:
- Water, when heated, forms steam.
- Bleach turns hair yellow.
- Sugar, when heated, becomes brown.
- Milk turns sour.
- Apples, when exposed to air, turn brown.
Correct answer:a. Water, when heated, forms steam.
Question :We have an expert-written solution to this problem!
How many micrograms are in 65.3 kg?
Select one:
- 0.653 μg
- 6.53 × 107 μg
- 6.53 × 104 μg
- 6.53 × 10-8 μg
- 6.53 × 1010 μg
Correct answer:e. 6.53 × 1010 μg
Question :A smart phone has dimensions of 4.9 inches
(height), 2.3 inches (width) and 8.0 millimeters (depth). What is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)
Select one:
- 58 cm3
- 1.7 x 105 cm3
- 90 cm3
- 3.4 cm3
- 34 cm3