CHEM 1020 ACTUAL TEST PAPER 2026 COMPLETE QUESTIONS AND SOLUTIONS GRADED A+

CHEM 1020 ACTUAL TEST PAPER 2026
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+

●● Weight.
Answer: The force of gravity on the object and is dependent of where
the object is. (Exp.1)


●● Volume.
Answer: Length is 3 dimensions. (Exp.1)


●● Density.
Answer: d=mass/volume in g/mL (Exp.1)


●● Experiment 1.
Answer: Involves finding the density of a pre-1983 penny, a post 1983
penny, an unknown liquid, and an unknown solid. Measuring the pennies
with a meter stick, ruler, and caliper.


●● Significant Figures.
Answer: Includes all of the digits in the number that you know with
certainty plus one final digit that you estimate

, ●● Accuracy.
Answer: Refers to how close a measurement is to the true value


●● Precision.
Answer: How close the measurements are to one another


●● Displacement Method.
Answer: Submerging a solid in water to find its volume.


●● Law of Definite Proportions.
Answer: A chemical compound always contains its component elements
in a fixed ration


●● Hydrate.
Answer: Ionic compounds that have water as an integral part of their
molecular structure, and this water is present as a definite fixed mass
percent of the same. (not a wet compound, water is incorporated in
chemical bonding).


●● Mono.
Answer: one


●● Di.