(ACTUAL EXAM) WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 – 2026
What kind of reaction is Zn + CuCl2 --> ZnCl2 + Cu?
single replacement
Swelling and bursting of red blood cells is called _______________.
crenation, hemolysis, diffusion, osmosis
hemolysis
Substances that dissociate in an aqueous solution to yield hydrogen ions (H+)
are ______________.
self ionization, alkalis, acids, bases
acids
Movement of particles from an area of high concentration to an area of low
concentration is called _______________________.
diffusion, isotonic, osmosis, solution
DIFFUSION
A solution that is _____________ will cause red blood cells to shrivel.
hypertonic, hypotonic, tonic, isotonic
hypertonic
,You never receive an IV of pure water because it is ________________ to your
red blood cells and will cause them to swell and possibly lyse.
hypotonic, isotonic, hypotonic, acidic
hypotonic
The force that causes the surface of a liquid to contract is ______________
adhesion, hydrogen bonding, covalent bonding, surface tension
surface tension
Why is hard water not recommended for embalming?
makes blood coagulate
What is the physical quantity expressed by the following measurement: 54
K?What is the physical quantity expressed by the following measurement: 54
K?
temperature, volume, weight, mass
temperature
What is the physical quantity expressed by the following measurement: 19
oC?
temperature, volume, mass, length
temperature
Which of the following is NOT matter?
the air in your lungs, the blood in your arteries, sunlight, rust
sunlight
Which of the following is a physical change? ice melting, oil burning, iron
rusting, wood decomposing
ice melting
Which of the following is a chemical change?
iron rusting, water freezing, water turning into steam, snow melting
iron rusting
, Which state of matter retains its volume but adapts its shape to that of its
container?
liquid, solid, gas, none of the above
liquid
Which of the following is true of ice, water, and steam?
-they're 3 different chem subs
-They're same subs in different chem states
-They're same sub in different phys states
-they're same sub in diff chem & phys states
They are the same substance in different physical states.
Which of the following is NOT a form of kinetic energy?
chemical, electrical, light, water moving thru dam
chemical energy
Which of the following is a form of potential energy?
chemical, light, electrical, stone rolling down hill
chemical energy
If a 10.0 mL sample of unknown liquid has a mass of 7.553 g, what is the
density of the unknown liquid?
.7553 g/ml, 75.53 g/ml, 1.323 g/ml, 0.1323 g/ml
.07553 g/ml
(density=mass/volume)
The increase in body temperature close to the time of death is known as
postmort caloricity, algor mortis, livor mortis, rigor mortis
postmortem caloricity
What kind of reaction is NaCl + AgNO3 --> NaNO3 + AgCl?
synthesis, decomp, single repalacement, double replacement
double replacement