Chemistry Ch.3 Review Question Preview (ID: 32742)
Review Of Ch.3.
TEACHERS: click here for quick copy question ID numbers.
What is the closeness to a true value?
a) accuracy
b) precision
c) absolute zero
d) weight
The diameter of a carbon atom is 0.000000874 m. What is this number in scientific notation?
a) 8.74 x 10^-7
b) 8.74 x 10^7
c) 87.4 x 10^-6
d) 87.4 x 10^6
What is the result of adding 4.5 x10^3 and 2.7 x 10^2?
a) 4.77 x 10^3
b) 4.77 x 10^2
c) 3.15 x 10^3
d) 3.15 x 10^2
Which of the following measurements contains two significant figures?
a) 0.00067 L
b) 0.00670 L
c) 0.00607 L
d) 0.00600 L
How many significant figures are in the measurement 54,500 mg?
a) 3
b) 4
c) 5
d) 2
Express the sum of 8.79 m and 6.0 m using the correct number of significant figures.
a) 14.8 m
b) 14.79 m
c) 15
d) none of the choices
Which of the following volumes is the smallest?
a) one microliter
b) one liter
c) one milliliter
d) one deciliter
What is the temperature -48 degrees Celsius in kelvins?
a) 225 K
b) 321 K
c) -225 K
d) none of the choices
What is the quantity 0.0097 meters expressed in centimeters?
a) 0.97 cm
b) 9.7 cm
c) 0.097 cm
d) 97 cm
Density is found by dividing __________.
a) mass by volume
b) volume by mass
c) mass by area
d) area by mass
What is the density of an object having a mass of 7.2 g and a volume of 34 mL?
a) 0.21 g/mL
b) 4.7 g/mL
c) 244.8 g/mL
d) none of above
Convert 342 L to gallons.
a) 90.6 gal
b) 1450.1 gal
c) 80.7 gal
d) none of the choices
If you are traveling at 85 miles per hour, how fast are you traveling in meters per second?
a) 38 m/s
b) 136787.6 m/s
c) 124.7 m/s
d) none of the choices
The quantity of matter an object contains is ________________.
a) mass
b) volume
c) weight
d) none of the choices
The SI scale for temperature is _________________.
a) Kelvin
b) Celsius
c) Fahrenheit
d) none of the choices
The force of gravity on an object is called ________________.
a) weight
b) mass
c) volume
d) none of the choices
Express 52,600 km in scientific notation.
a) 5.26 x 10^4
b) 5.26 x 10^-4
c) 52.6 x 10^3
d) 52.6 x 10^-3
What is the result of multiplying 3.4 x 10^9 by 4.3 x 10^-6?
a) 1.5 x 10^4
b) 14.6 x 10^3
c) 1.5 x 10^15
d) 14.6 x 10^14
Which group of measurements is the most precise?
a) 2 g, 2.5 g, 3 g
b) 2 g, 3 g, 4 g
c) 2.0 g, 3.0 g, 4.0 g
d) none of the choices
What is the measurement 233.008 mm rounded off to four significant digits?
a) 233.0 mm
b) 233 mm
c) 233.01 mm
d) 230 mm
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 32742 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 32742 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register